Question

100mL of a solution contains 30 mL of acid; this is called a 30% acid solution because
part 30
---- = ---- = 0.30.
whole 100
How many milliliters of acid x would need to be added to the solution to turn it into a 50% solution ? (HInt: Adding acid increases both the volume of acid and the volume of the complete solution.)
bobpursley
didn't I answer this?

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