Question

Problem #1: What is the percent by mass concentration of a solution that contains 5.30g of salt dissolved in 19.7g of water?​

Answer 1

21.2%

Step-by-step explanation:

the equation for this question is

(mass solute/mass solution)*100

mass solute=5.3

mass solution=5.3+19.7

(5.3/25)*100=21.2%