Two solutions of different concentrations of acid are mixed creating 40 mL of a solution that is 32% acid. One-quarter of the so

Question

4 years ago

9

Two solutions of different concentrations of acid are mixed creating 40 mL of a solution that is 32% acid. One-quarter of the so

lution is made up of a 20% acid solution. The remaining three-quarters is made up of a solution of unknown concentration, c.
Which equation can be used to determine c, the unknown concentration?

Mathematics

2 answers:

Leya [2.2K] · Answer 1 · 2021-11-09T23:23:47+03:00

Leya [2.2K]4 years ago

5 0

32.6666

Hope I helped!

Nikitich [7] · Answer 2 · 2021-11-10T00:38:35+03:00

Nikitich [7]4 years ago

4 0

The answer is the first one: 30c + 10(0.2) = 40(0.32)