What mass of KCl is dissolved in 250.mL of a solution that is 4.00 % by mass/volume?
A)4.00 g
B)10.0 g
C)40.0 g
D)100.g

Question

Quizplus · Accepted Answer

4.00% by mass/volume means 4.00 g of KCl is present in 100.0 mL of the solution.

To find the mass of KCl in 250.0 mL of the solution, we can use the proportion:

4.00 g/100.0 mL = x g/250.0 mL

where x is the mass of KCl we want to find.

Solving for x:

x = (4.00 g/100.0 mL) x (250.0 mL) = 10.0 g

Therefore, the mass of KCl in 250.0 mL of the solution is 10.0 g.

What Mass of KCl Is Dissolved in 250