todd made a saltwater solution containing 100g of salt in 900g of water.What is the percent by mass concentration of the solution?
Given: Mass of solute: 100g Mass of solution: 900g
Required: % by Mass
Equation: g solute/g solution x 100%
Solution: % by Mass = 100g/900gx 100
Answer: % by Mass 11.11%
% = percent