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In a lab a 30% acid solution is being mixed with a 5% acid solution to create a 10% acid solution. What is the ratio

of the amount of the 30% solution to the amount of 5% solution used to create the 10% solution?
1.3
1:4
1.5
1.6
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User Frank W
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1 Answer

5 votes

Answer:

1:4

Explanation:

If x is the volume of 30% acid solution, and y is the volume of 5% acid solution, then:

0.30x + 0.05y = 0.10(x + y)

0.30x + 0.05y = 0.10x + 0.10y

0.20x = 0.05y

x/y = 0.05/0.20

x/y = 1/4

User Czuk
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