Question

1. What is percent by mass of 5.0 g. of iron sulfate in 75 g, of water?

Solution:

2. A solution is formed by adding 35 g. of ammonium nitrate to 250 g. of water. What is
percent by mass of ammonium nitrate?

Solution:
​

Answer 1

6.3

Step-by-step explanation:

percent of mass = mass of solute/mass of solution x 100

percent of mass 5/5+75= 5/80 = .0625 x 100 = 6.3