How Many mg/l Are in a 3% Sodium Hypochlorite Solution?

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In summary, the conversation is discussing the process of calculating the amount of Sodium Hypochlorite in a 3% solution. The solution may contain other compounds such as sodium chloride and sodium hydroxide, and the solution must be alkaline to prevent decomposition. One must calculate the formula weight and measure the specific gravity or density of the solution in order to determine the amount of Sodium Hypochlorite present.
  • #1
wilsonctj
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Hi

I need to work out how many mg/l of Sodium Hypochlorite there are in a 3% Solution

Any help (inc workings) would be greatly appreciated!

Regards

Chris
 
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  • #2
This goes in the Homework Problems section.
 
  • #3
Is this for a commercially manufactured solution? Sodium hypochlorite decomposes and may yield sodium chloride as it decomposes, or maybe there is sodium chloride and also sodium hydroxide as a result of the manufacturing conditions. Note, the solution needs to be alkaline otherwise will decompose very quickly into chlorine. You can calculate for yourself the formula weight of NaClO and you may need the density or specific gravity of the solution, which you should measure yourself.

Basicly what I only meant to say was, you calculate the formula weight of the compound, and you also need to have a measurement of the specific gravity or density; then you can calculate what you asked.
 
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  • #4
3% solution is diluted enough so that you may - as a first approximation - safely assume its density is that of water.

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FAQ: How Many mg/l Are in a 3% Sodium Hypochlorite Solution?

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