You need a 55% alcohol solution. On hand, you have a 90 mL of a 20% alcohol mixture. You also have 70% alcohol mixture. How much of the 70% mixture will you need to add to obtain the desired solution? - QAmmunity.org

You need a 55% alcohol solution. On hand, you have a 90 mL of a 20% alcohol mixture. You also have 70% alcohol mixture. How much of the 70% mixture will you need to add to obtain the desired solution?

asked Mar 10, 2021 140k views

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