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30 mL of methyl alcohol (density = 0.8 g...

30 mL of methyl alcohol (density = 0.8 g/cc) is mixed with 70 mL of water (density = 1.0 g/cc) at `25^@C` to give a solution of density 0.94 g/cc. Find the mole fraction, molarity and molality.

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To solve the problem step by step, we will calculate the mass of methyl alcohol and water, the number of moles of each, the volume of the solution, and finally the mole fraction, molarity, and molality. ### Step 1: Calculate the mass of methyl alcohol Given: - Volume of methyl alcohol = 30 mL - Density of methyl alcohol = 0.8 g/cc Using the formula: ...
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