What is the molarity when water is added to 2 moles of sodium chloride to make 0.5 liter of solution?
A)8 M
B)4 M
C)5 M
D)2.5 M

Question

Quizplus · Accepted Answer

To find the molarity, we need to first find the number of moles of sodium chloride in 0.5 liter of solution. Since we started with 2 moles of sodium chloride, we can use the equation:

moles = (concentration) x (volume)

Rearranging this equation, we get:

concentration = moles / volume

Plugging in the given values, we get:

concentration = 2 moles / 0.5 L = 4 M

Therefore, the answer is B.

What Is the Molarity When Water Is Added to 2