126k views
1 vote
25mL of ethanol (C2H3OH) is diluted to a volume of 150mL with water.

What is the concentration (in % v/v) of the following solution?

User Nonym
by
7.4k points

2 Answers

5 votes
Amount of Ethanol = 25 mlAmount of Water = 75 ml
Total Volume = 25 ml+150 ml
= 175 ml

Percentage V/V = Amount of ethanol/Total volume x 100
= 25/75 * 100 %
= 14.2857%
User AlexWei
by
7.4k points
3 votes
volume of solute = 25 mL

Volume of solvent = 150 mL

% = ( volume of solute / volume of solvent ) x 100

% = ( 25 / 150 ) x 100

% = 0,166 x 100

= 16.6 % v/v

hope this helps!
User Chronikum
by
7.8k points

Related questions

1 answer
18 votes
203k views
asked Mar 26, 2017 83.1k views
Nick Forge asked Mar 26, 2017
by Nick Forge
7.6k points
1 answer
3 votes
83.1k views
asked Sep 28, 2022 235k views
JC Brand asked Sep 28, 2022
by JC Brand
8.2k points
1 answer
1 vote
235k views