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Mathematics, 07.06.2020 00:01 mrmendrala

A scientist needs 120mL
of a
20%
acid solution for an experiment. The lab has available a
10%
solution and a
25%
solution. How many milliliters of the
10%
solution and how many milliliters of the
25%
solution should the scientist mix to make the
20%
solution?

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A scientist needs 120mL
of a
20%
acid solution for an experiment. The lab has av...

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