The volume of a 15.8% (by mass)solution is 146.4 mL.The density of the solution is 1.084 g/mL.What is the mass of solute in this solution?
A) 159 g
B) 25.1 g
C) 1004 g
D) 21.3 g
E) 134 g

Question

Quizplus · Accepted Answer

First, we need to find the total mass of the solution. We can do this by using the density:

mass = volume x density
mass = 146.4 mL x 1.084 g/mL
mass = 158.54 g

Next, we need to find the mass of the solute. We know that the solution is 15.8% solute by mass, so we can set up a proportion:

15.8 g solute / 100 g solution = x g solute / 158.54 g solution

Solving for x, we get:

x = 25.1 g solute

Therefore, the mass of solute in this solution is 25.1 g.

The Volume of a 15