A chemist mixes 4 liters of one acid solution with 10 liters of a 40% solution, resulting in a 30% acid solution. The table shows the amount of each solution used.

What is the value of x, the acid concentration of the first solution?

0.05

0.10

0.15

0.20

Question

17 March, 16:09

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Answers (1)

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Koen Odonnell · Answer 1

(10*0.4+4x) / 14=.3

(4+4x) / 14=.3

4+4x=4.2

4x=.2

x=.05

So 0.05 is the concentration of the other solution.

A chemist mixes 4 liters of one acid solution with 10 liters of a 40% solution, resulting in a 30% acid solution. The table shows the amount of each solution used.What is the value of x, the acid concentration of the first solution?0.050.100.150.20