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7L of an acid solution was mixed with 3L of a 15% acid solution to make a 29% acid solution. Find the percent concentration of the first solution.

7L of an acid solution was mixed with 3L of a 15% acid solution to make a 29% acid solution. Find the percent concentration of the first solution.
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7L of an acid solution was mixed with 3L of a 15% acid solution to make a 29% acid solution. Find the percent concentration of the first solution.

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User Raegan
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2 Answers

5 votes

Answer:

hypotenuse Pythagoras property

answered
User Slash
by
8.4k points
3 votes
Let 7L acid solution concentration=x%
According to question

(7x+3*15)/10=29


7x+45=290


x=35%
answered
User Marcos Regis
by
8.3k points
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