A chemist mixes x mL of a 34% acid solution with a 10% acid solution. If the
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A chemist mixes x mL of a 34% acid solution with a 10% acid solution. If the resulting solution is 40 mL with 25% acidity, what is the value of x?
A) 18.5
B) 20
C) 22.5
D) 25
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