Asked by Donna
An aqueous solution of hydrogen peroxide, H202 (MW=34.01amu), is labeled 10.0% by weight. What is the molal concentration of H202?
All I really know is that molality = moles of solute per kilogram of solution
All I really know is that molality = moles of solute per kilogram of solution
Answers
Answered by
bobpursley
assume 100 grams of the stuff. That means 10 gram peroxide: or moles=10/34
molarity=(10/34)/100g Now assuming the density is 1g/cm^3 (probably not correct), Molarity= 10/34)/.1=100/34=you do it.
molarity=(10/34)/100g Now assuming the density is 1g/cm^3 (probably not correct), Molarity= 10/34)/.1=100/34=you do it.
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