Asked by Math
A glass containing 250 mL of 80% iodine solution tips over spelling part of its contents. This subsequently replaced by an
amount from a mixture of 40% iodine. If a 72% solution is resulted, how much was spilled?
amount from a mixture of 40% iodine. If a 72% solution is resulted, how much was spilled?
Answers
Answered by
Steve
if x mL were lost and replaced, then
.80(250-x) + .40x = .72*250
.80(250-x) + .40x = .72*250
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