What is the percentage by mass of the solution that contains 10.0 grams of Phosphorus pentachloride that has been dissolved in 750 mL of water?
Mass of water =750ml×11g/ml=750g
Total mass = 750+10=780g
Percentage of PCl5 =(10÷780)×100
=1.282%
Percentage of water=98.718%
Comments
Leave a comment