Question

In which of the following is concentration expressed in percent by volume?

Answer 1

Answer:

Concentration expressed in percent by volume by volume is 10%(v/v).

Explanation:

• w/w % or m/m% : The percentage mass or fraction of mass of the of solute present in total mass of the solution.

$w/w\%=\frac{\text{Mass of solute}}{\text{Mass of solution}}\times 100$

• w/v % or m/v: The percentage of mass of the of solute present in total volume of the solution.

$w/v\%=\frac{\text{Mass of solute}}{\text{Volume of solution}}\times 100$

• v/v % : The percentage volume of the of solute present in total volumeof the solution.

$v/v\%=\frac{\text{Volume of solute}}{\text{Volume of solution}}\times 100$

Concentration expressed in percent by volume by volume is 10%(v/v).

Answer 2

Answer: 10% (v/v).

Explanation:

V - unit is litre

m/m - by mass concentration

m/v - unit of density

v/v - concentration by volume