# What volumes of a 2 % solution and a 6 % solution must I mix to get 300 mL of a 5 % solution?

##### 1 Answer

Jul 4, 2017

You must mix

#### Explanation:

We can use a modification of the dilution formula to solve this problem:

#color(blue)(bar(ul(|color(white)(a/a)V_1c_1 + V_2c_2 = V_3c_3color(white)(a/a)|)))" "#

Let

Then

Then

∴ You must use

**Check:**

It checks!