Question

What volume of 10 M HCl must be used to create 100 mL of a 5 M solution.

Answer 1

Answer: A volume of 50 mL of 10 M HCl must be used to create 100 mL of a 5 M solution.

Step-by-step explanation:

Given:
`V_(1)` = ?,
`M_(1)` = 10 M

`V_(2)` = 100 mL,
`M_(2)` = 5 M

Formula used to calculate the volume is as follows.

`M_(1)V_(1) = M_(2)V_(2)`

Substitute the values into above formula as follows.

`M_(1)V_(1) = M_(2)V_(2)\\10 M * V_(1) = 5 M * 100 mL\\V_(1) = 50 mL`

Thus, we can conclude that a volume of 50 mL of 10 M HCl must be used to create 100 mL of a 5 M solution.