In which of the following is concentration expressed in percent by volume? 10% (v) 10% (m/m) 10% (m/v) 10% (v/v)

10% (v/v).

Explanation:

V - unit is litre

m/m - by mass concentration

m/v - unit of density

v/v - concentration by volume

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

Explanation:

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

what is the question here. i think you messed up.

gas

explanation:

smoke is the matter of a gas