Question

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An experiment requires a solution that is 80% ethyl alcohol by volume. What volume of ethyl alcohol should be added to 400 mL of water to make this solution?

Answer 1

Answer: 800 mL of methyl alcohol should be added to 200 ml of water to make this solution.

Step-by-step explanation:

Volume of the methyl alcohol = x

Volume of water = y = 200 mL

Volume of the solution ,V = x + y

Volume percentage of solution = 80%

x = 800 mL

800 mL of methyl alcohol should be added to 200 ml of water to make this solution.