Question

how much water should be added to 25 ml of ethane to make its concentration 40 percentage​

Answer 1

Answer:

Mark as brainlist

Explanation:

Volume percent or volume/volume percent (v/v%) is used when preparing solutions of liquids. It is very easy to prepare a chemical solution using volume percent, but if you misunderstand the definition of this unit of concentration, you'll experience problems.

Answer 2

Explanation:

churula..

it's me bhanu ^o^

xd..