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How much pure acid do you mix with 2L of 40% acid to get 70% acid

How much pure acid do you mix with 2L of 40% acid to get 70% acid
asked 57.2k views
1 vote
How much pure acid do you mix with 2L of 40% acid to get 70% acid

asked
User Sjonchhe
by
7.7k points

2 Answers

4 votes

Answer:

2*40 + x*100 = (2+x)*70

Explanation:

answered
User Jake Chasan
by
8.2k points
1 vote
(2*40%+x*100%)/(2+x) = 70%; calculate x !
answered
User PaulCrp
by
8.8k points
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