# Question #8af7e

##### 1 Answer

Dec 11, 2015

#### Answer:

#### Explanation:

The concentration is related to the mass through the number of mole:

and the number of mole is related to the mass by:

Therefore, we can first calculate the number of mole from the concentration and the volume by:

Now from the number of mole we can find the mass by:

Thus we will need to weigh

Here is a video that will show you how to prepare a solution in the lab:

**Lab Demonstration | Solution Preparation & Dilution.**