Sodium Definition and 221 Threads

  1. G

    Sodium Clorate -- what is best way to make this Weed Killer

    Electrolysis of sodium chloride is suppost to make sodium chlorate but its not working for me. I mixed 1 gallon of salt with 5 gallons of hot water then used a 12 volt car battery charger and carbon rods to electrolysis for 7 days. Water volume has gone down and there was a lot of white...
  2. M

    Chlorine gas, Nitrogen and Sodium Hydroxide

    What combination of these might produce a brown solid? For talking's sake...
  3. A

    Is the Synthesis of Sodium Dithionite Accurate?

    is the following reaction right? 2 NaHSO3 + Zn → Na2S2O4 + Zn(OH)2 because i tried this reaction but i m not getting any Na2S2O4. I got this reaction in wikipedia. And i found another reaction in the net which is following: 2 NaHSO3 + H2SO3...
  4. C

    Sodium hydride from sodium and hydrochloric acid

    i know that sodium react with hydrochloric acid to form sodium chloride and(according to what i readed) free hydrogen. but i also readed in wikipedia that sodium hydride is made by the direct reaction of liquid sodium with hydrogen. so sodium hydride can be formed in good proportion by passing...
  5. E

    Standarization of a Sodium Hyrdoxide Solution

    Homework Statement Hello, I missed a lab before the break because I was really sick and I need help. I was given the data from my partners for the titration lab and I don't understand how to calculate the amount of potassium hydrogen phthalate used in each trial, amount concentration of the...
  6. C

    Sodium dithionite reducing properties of nh3

    What would be the reducing reaction for these in water?
  7. Yadama

    Medical Do you agree with the use of sodium fluoride?

    So I just finished my chemistry homework and was going through my answers and googling them to learn more about them. I got to sodium fluoride and I already knew it was that stuff dentists put on your teeth and that it wasn't to good for you. I read that it has some advantages like preventing...
  8. T

    Reaction with sodium bromide, chlorine water and mineral oil

    Homework Statement Net ionic equation for sodium bromide and chlorine water with mineral oil 2. None 3. The Attempt at a Solution Br-aq + Cl-aq → Br-aq + Cl-aq or Br-aq + Cl2aq → Br2aq + Cl-aq Not sure if a halogen in water is an ion or not and can't seem to find good information online...
  9. D

    Calculate the number of sodium ions entering an non-myelinated axon

    Homework Statement Calculate the number of sodium ions entering a non-myelinated axon during the action potential, per metre of axon length. The change in potential is 100 mV, the axon membrane capacitance per unit length is 3 × 10−7 F/m, and the charge on an ion is 1.6 × 10−19 C. What...
  10. M

    Does sodium bicarbonate react with copper hydroxide in water?

    does sodium bicarbonate react with copper hydroxide in water ? what is the equation?
  11. T

    What is the difference between sodium and sodium metal?

    I buy pure sodium fom laptory store it looks white and powder like a sugar. ...I putted in water and doest burn...is this sodium
  12. P

    Electrolysis of Aqueous Sodium Iodide

    According to my chemistry textbook, the I- ion is discharged at the anode. Yet, according to standard electrode potential values, the OH- ion should be discharged at the anode. Thoughts on this please?
  13. J

    Force and acceleration on sodium atom if laser bundle shines on atom

    Homework Statement I want to calculate the average force and acceleration on an sodium atom, if a laser bundle shines on it which has I>>>> I(sat). I(sat) is the saturation intensity of the 589nm 3s-3p transition in sodium. 3p lives 16 ns Homework Equations c = 3 * 10 ^ 8 m...
  14. J

    Best way of measurement sodium wavelength?

    Hello everybody ,A friend of mine told me that best way (The most accurate) to do this is grating diffraction experiment , What u think? Thanks in advance
  15. J

    Wavelength difference of sodium d lines?

    Hello everyone , I googled for it but nothing came up, Where can I find that? Thanks in Advance ,
  16. B

    Using lasers to decrease speed of sodium atoms

    Hi! Recently I have began to read up on my passion in physics in my spare time. I have encountered an experiment where lasers are used to decrease the speed of sodium atoms. The lasers are a wavelength that the sodium atoms absorb and then proceed to emit a photon. If the atoms are traveling...
  17. B

    Nuclear Spin of Sodium 23 Explained

    i am actually calculating the nuclear spin of Sodium 23. Here we have 11 protons and 12 neutrons. Now both the nuclei are short of the magic numbers. When I use the shell model for protons and neutrons separately, I found 3 protons in the 1d5/2 sub-shell and 4 neutrons in the same 1d5/2...
  18. D

    3. concentration of sodium sulphate in the resultant solution?

    3. In an experiment, 2.00M sodium hydroxide solution was added to 20.0mL of 1.00M sulphuric acid until the acid was just completely neutralized. What is the concentration of sodium sulphate in the resultant solution? My final answer is 0.500mol/l. Am i correct.
  19. Q

    Is Sodium Metal the Reducing Agent in Its Reaction with Water?

    Homework Statement When sodium is dropped into water, aqueous sodium hydroxide and hydrogen gas are produced. Which of the following are correct regarding this reaction? 1) Sodium metal is the reducing agent. 2) There are no spectator ions. 3) In the balanced net ionic equation, all...
  20. K

    Does sodium ion effect electrolysis of water?

    Does sodium ion effect electrolysis of water? Especially in sodium polyacrylate, which release sodium ion when absorbs water. In other words, if I try to do electrolysis of water in hydrated sodium polyacrylate will it be successful.(Produce hydrogen and ignoring bubble trap inside the gel)...
  21. B

    Phosphorus in a solution of sodium phosphate

    1. Homework Statement I have a solution containing both mono basic (480mg/ml) and dibasic (180mg/ml) sodium phosphate. How do I determine the total mass of phosphorus per ml of the entire solution? 2. Homework Equations ? 3. The Attempt at a Solution Monobasic sodium phosphate...
  22. S

    Sodium & Potassium Tolyltriazole: Uses & Similarities

    There are many similarities between Sodium and Potassium in nature. What about Sodium Tolyltriazole and Potassium Tolyltriazole? And what about the uses of them?
  23. F

    Is it possible to get benzene from sodium benzoate?

    I want a small amount of benzene. Obviously it is not easily purchasable, but sodium benzoate is. I have heard one way is to dry distil sodium benzoate and sodium hydroxide, but the though of dealing with molten sodium hydroxide at such high temperatures sounds too dangerous. Is there any other...
  24. B

    Why is sodium carbonate more thermally stable than aluminium carbonate

    Sodium carbonate will not decompose in the presence of heat. This is because sodium is a very reactive metal, and hence forms very strong bond with the carbonate ion. In contrast, aluminium is not as reactive as sodium. Hence the bond by aluminium is weaker, and aluminium carbonate will...
  25. A

    Phenylacetic acid to sodium phenyl acetate

    Can anybody tell me how to convert phenyl acetic acid to sodium phenyl acetate. thanks.
  26. C

    Why is ionization of sodium endothermic?

    Homework Statement State whether ionization is an endothermic or an exothermic process. The Attempt at a Solution I know what exothermic and endothermic mean, and I know that the answer is that ionization of sodium is an endothermic process, but I don't know why and I'm hoping someone can...
  27. M

    Anhydrous sodium sulfate put in a solution

    Hello, I am confused, when putting in the anhydrous salts, why is it that you stop putting it in until clumping stops and it freely moves in the solution?
  28. E

    Products formed by mixing Sodium chloride and Potassium iodide?

    I've looked at this website so many times and have been saved by it! Now I need a lil help please! I can finish all the calculations and balance it myself if I can just get the equation! Homework Statement Sodium chloride is placed in a solution of Potassium iodide. What products are...
  29. M

    Can Sodium Hydroxide Effectively Capture and Release CO2 from the Atmosphere?

    I was thinking how it is possible to obtain carbon dioxide capturing it from the atmosphere and releasing it from the solution. I've read that "air meets a mist of a sodium hydroxide solution...the carbon dioxide is absorbed by reaction to form sodium carbonate...this solution is pumped into an...
  30. M

    Why is fluorine more electronegative than sodium?

    I've learned the trends in electronegativity, but why is fluorine more electronegative than sodium? What is the real reasoning behind it?
  31. elementHTTP

    Sodium hydroxide for etching |lifetime |disposal |

    Hi there :) I have 10g of NaOH whit 1 liter of water for photo etching Solution is one year old, and do i need to make new one (is there a lifespan of solution) ? If yes how to dispose it safely ? (can it be disposed in regular drain ?) thanks for your time :)
  32. L

    Sodium bicarb AND citric acid powder?

    Ok, quick question. I know that baking soda is great for heartburn, but why is it in certain medicines, they have sodium bicarb AND citric acid powder? My wife actually uses those two compounds to make bath fizzies. She adds esentual oils to them for health benefits and smells. haha. Anyway...
  33. A

    Would sodium salicytate dissolve in any of them

    Homework Statement Would sodium salicytate dissolve in any of the following solvents? Water Diethyl Ether 6% HCL 6% sodium bicarbonate 6% Sodium Hydroxide (naoh) You don't have to but please explain your guess too. Thanks a lot. Homework Equations The Attempt at a Solution I think it...
  34. R

    Spectrum of Sodium vs. Hydrogen

    My question is: Why the energy levels for sodium are different from those for hydrogen even though sodium is described as a "hydrogen-like atom"? Here I have posted the energy diagrams for sodium, and hydrogen. So, I have noted that sodium has 11 protons, whereas the hydrogen has only 1...
  35. T

    What Salt Forms from Sodium Bicarbonate and Citric Acid?

    Homework Statement What salt is produced from sodium bicarbonate and citric acid? Just to be clear, this isn't actually homework. I would hope no professor would ever be so hard. I'm not even in chemistry. Although I did take it last year in high school. Homework Equations I really...
  36. P

    Specific Heat of Sodium vs Absolute Temperature

    what is the relation between Specific Heat and Absolute Temperature of any material ? Specifically, Sodium. Cp vs T ( not the change in temperature) Any mathematical formula ? Thanks
  37. P

    Naoh in sodium acetate, raise pH

    I need someone to tell me if I did this right... What volume of 10N NaOH should be added to 0.1L of 1 M sodium acetate pH 5.5 to change the pH to 6.0. so I'm assuming that there is also an amount of acetic acid in this solution for it to have an acidic pH right? So is it a buffer? In which...
  38. HelloCthulhu

    Hydronium + Sodium Chloride Reaction

    Hello again forum! I'm doing a few experiments at home with a protonated saline solution and need some assistance. What is the reaction between the hydronium ion and sodium chloride. I think it's: H30(+) + NaCl => H2 + H(+) + NaOH but I'm not sure. :confused: Any advice would be great...
  39. M

    Preparation of sodium phosphate buffer solution

    hi guys, How can I prepare 20 mM sodium phosphate buffer (pH 6.9) containing 10 mM NaCl ? I mean how many grams of sodium dihydrogenphosphate, disodium hydrogenphosphate and sodium chloride are needed for 1 L of buffer solution. The buffer solution is prepared at room temperature (25C) and...
  40. K

    Making Sodium Acetate Anhydrous: A Beginner's Guide

    I just made some sodium acetate trihydrate at home and I would like to make it into sodium acetate anhydrous. Sorry if this is a stupid question but I am new to chemistry and I love it.
  41. Y

    How Do You Calculate the Solubility of Sodium Sulfite?

    I have a large exam tomorrow in chemistry and know how to do most problems on my practice test except these two If the solubility of sodium sulfite (Na2SO3) is 27(g/100g water) at 20 degrees celcius, what is the mass percent concentration of the saturated solution of Na2SO3 at 20 degrees...
  42. M

    Calculate the mass of NaCl needed to bring sodium concentration to 0.139 M?

    A person suffering from Hypothermia has a sodium ion concentration in the blood of 0.114 M and a total blood volume of 5.1 L. What mass of sodium chloride needs to be added to the blood to bring sodium ion concentration up to 0.139 M? (assuming no change in blood volume)...
  43. G

    Extracting Sodium Hydroxide from Soap

    is it possible to extract sodium hydroxide from liquid soap? i need to test the sodium hydroxide. if it is possible, how would i do it?
  44. G

    Testing amount of sodium hydroxide in soap

    i'm doing a task to find the amount of sodium hydroxide (NaOH) in a liquid soap. i have to use titration in it. how exactly would I do this? thanks
  45. C

    How to make a sodium carbonate/sodium hydrogen carbonate buffer

    Homework Statement "Plan how to make 100mL of a buffer solution with a pH of 10.8 to be made using only sodium carbonate, sodium hydrogen carbonate and water" Homework Equations pH= pKa+ log(CO32-)/(HCO3-) The Attempt at a Solution I tried rearranging it, but I'm not sure what to do...
  46. P

    Why Do Sodium and Potassium Form Peroxides and Superoxides When They Burn?

    Why do sodium and potassium form peroxides and superoxides when they burn?
  47. R

    Reaction pathway of (di)chloramine and sodium carbonate

    Hello, just wondering what would be produced when chloramine and dichloramine is introduced to sodium carbonate. In a reaction including dichloramine I can't decide whether the reaction would proceed as the following: NHCl2 + Na2CO3 ---> 2NaCl + CO2 + NO + H Or NHCl2 + NaCO3 ---> NaCl...
  48. M

    Can sodium chloride be categorised as a giant molecular structure

    I was attempting this question where I had to say which, out of graphite, diamond and sodium chloride represent a giant molecular structure? The answer is only the first two. Why is the latter excluded?
  49. E

    Adding Sodium Oxalate to hard/soft/distilled water.

    Homework Statement Im supposed to predict what will happen if I add Na2C2O4 to hard water, soft water, or distilled water. Hard water has Mg2+ and Ca2+ ions dissolved in it from calcium bicarbonate/carbonate and magnesium bicarbonate/carbonate. It's a theoretical lab where we predict what...
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