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28-12-2021
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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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28-12-2021

Answer:

hypotenuse Pythagoras property

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rose2439 rose2439

28-12-2021

Let 7L acid solution concentration=x%
According to question

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

7x+45=290

x=35%

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