# A 0.67 L solution of ammonium sulfate, #(NH_4)_2SO_4# contains 0.81 mole of the solute. What is the approximate molarity of the solution?

##### 1 Answer

May 29, 2016

**Approximately 1.21 M**

#### Explanation:

If you look up the formula for molarity, you will find this:

or

So you are given :

V = 0.67 L

n = 0.81 mol

Plug in these numbers in the formula:

**Molarity = 1.21 M**