Calculate the volume of 129 molar ethanol solution needed, Chemistry

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Calculate the volume of 129 molar ethanol solution needed

A 12.9 molar aqueous solution of ethanol at 20 degrees celcius has a density of .872 g/mL. After dilution with water to 8.12 molar, its density is 0.953 g/mL.

a) calculate the volume of 12.9 molar ethanol solution needed to prepare 2 L of 8.12 molar ethanol solution. (i did this by doing MV=MV and got 1.26 L)

b) determine the percent by mass ethanol in a 12.9 molar aqueous solution.

c) what is the molality of the 8.12 molar solution?

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Chemistry: Calculate the volume of 129 molar ethanol solution needed

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Chemistry: Calculate the volume of 129 molar ethanol solution needed

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