Question

1. You have a 4.50L solution that contains 0.450 mol NaCI. What is the molarity of the solution?

A) 0.2 moles per litre
B)0.4moles per litre
C)0.23 moles per litre
D)0.1 moles per litre

Answer 1

To calculate the molarity of the solution, divide the number of moles of solute by the volume of the solution in liters. In this case, the molarity is 0.1 moles per litre.

Step-by-step explanation:

To calculate the molarity of the solution, we need to use the formula:

Molarity (M) = Moles of solute / Volume of solution (in liters)

In this case, we are given that the solution contains 0.450 mol of NaCl and the volume of the solution is 4.50 L. Plugging these values into the formula:

Molarity = 0.450 mol / 4.50 L = 0.1 moles per litre

So, the molarity of the solution is 0.1 moles per litre. Therefore, the correct answer is option D) 0.1 moles per litre.