# What are the percentage and molar concentrations of a #20*g# mass of common salt dissolved in #80*g# water?

##### 1 Answer

Aug 19, 2017

#### Answer:

You want the expression,

#### Explanation:

We ASSUME that

We FURTHER ASSUME that the volume of the solution is IDENTICAL to (or close enuff) to

And this for molar concentration we take as usual the quotient......