Calculating HCl Volume for Na2CO3 Reaction

In summary, the conversation involves calculating the volume of HCl needed to react with 10.0g of Na2CO3. There is confusion about whether the unit is M (mol/L) or moles, and if it is moles, whether it is a gas or a solution. The suggestion is to find the stoichiometric constant and the mol of Na2CO3 to determine the volume.
  • #1
Johnny_07
9
0
Calculate the volume of 3.0 mol HCl required to react completely with 10.0g of Na2CO3.

Im confused about the "volume". What do they mean ?
Do I have to find the mass of HCl then convert it into a volume?
 
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  • #2
Are you sure it is not 3.0 M of HCl?

If it's volume, check out density after finding the stoichiometric constant for the balance equation and finding the mol of sodium bicarbonate.
 
  • #3
kingdomof said:
If it's volume, check out density after finding the stoichiometric constant for the balance equation and finding the mol of sodium bicarbonate.

If it is M (mol/L) you don't need density.
 
  • #4
unless you are forgetting that HCl is a gas unless specified otherwise (aqueous solution or sth); so by volume they mean the volume of the required gas under normal/standard conditions
 
  • #5
But we're pretty sure the OP meant 3.0 M HCl, which does imply a solution, not a gas.

If it were really 3.0 moles as stated, it would be pointless to talk about the amount "required to react completely with 10.0g of Na2CO3".
 

FAQ: Calculating HCl Volume for Na2CO3 Reaction

1. What is stoichiometry and how does it relate to HCl problems?

Stoichiometry is the calculation of the quantities of reactants and products involved in a chemical reaction. In HCl problems, stoichiometry is used to determine the amount of HCl needed to react with a given amount of a different substance, or the amount of HCl produced from a given amount of reactants.

2. How do you balance a chemical equation for an HCl problem?

To balance a chemical equation for an HCl problem, you must ensure that the same number of atoms of each element are present on both sides of the equation. This is done by adjusting the coefficients (numbers in front of the chemical formulas) until the number of atoms for each element is equal on both sides of the equation.

3. What is the molarity of HCl and how is it used in HCl problems?

The molarity of HCl is the concentration of a solution, expressed in moles of HCl per liter of solution. It is often used in HCl problems to calculate the amount of HCl needed or produced in a reaction, using the formula M1V1 = M2V2, where M1 and V1 are the initial molarity and volume, and M2 and V2 are the final molarity and volume.

4. How does the stoichiometric ratio affect HCl problems?

The stoichiometric ratio is the ratio of reactants and products in a chemical reaction, based on the coefficients in the balanced equation. In HCl problems, the stoichiometric ratio is used to determine the amount of HCl needed or produced in a reaction, and can also be used to calculate the amount of other substances involved in the reaction.

5. What are some common sources of error in HCl stoichiometry problems?

Some common sources of error in HCl stoichiometry problems include inaccurate measurements of reactants and products, incomplete reactions, and errors in the balanced equation. It is important to double check all calculations and make sure the equation is properly balanced to minimize these sources of error.

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