A chemist needs to create a 45% HCl solution. (HCI is hydrochloric acid. A "45% HCl solution" contains 45% HCI and the other 55%

Question

A chemist needs to create a 45% HCl solution.
(HCI is hydrochloric acid. A "45% HCl solution"
contains 45% HCI and the other 55% is water.)
How much of a 70% HCl solution must be mixed
with 40 ml of a 40% HCl solution in order to
result in a 45% HCI solution? Round your answer
to 2 places after the decimal point (if necessary)
and do NOT type any units (such as "ml") in the
answer box.

Kunduz · Accepted Answer

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