Question

A mixture is made by combining 1.62 lb of salt and 5.20 lb of water.

What is the percentage of salt (by mass) in this mixture?

Plz reply

Answer 1

23.8

Step-by-step explanation:

Formula

weight % = weight of solute/ weight of solution x 100

weight of solution = weight of salt + weight of water

weight of solution = 1.62 lb + 5.20 lb = 6.82 lb

weight % = 1.62 / 6,82 x 100

weight % = 0.238 x 100

weight % = 23.8