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

Two solutions of different concentrations of acid are mixed creating 40 mL of a solution that is 32 acid Onequarter of the solution is made up of a 20 acid solu class=

Respuesta :

32.6666

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

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