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Mathematics, 04.06.2020 14:00 Jakeandjenn21

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?Keiko needs 100mL of a 5% acid solution for a science experiment. She has available a 1% solution and a 6% solution. How many milliliters of the 1% solution and how many milliliters of the 6% solution should she mix to make the 5% solution?

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A scientist needs 120mL of a 20% acid solution for an experiment. The lab has available a 10% soluti...

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