A solution is made by mixing 32 g methanol and 230 g ethanol at 300 k. what is the % by mass of methanol in the solution
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Explanation:
mass of solute(methanol)=32g
mass of solvent(ethanol)=230g
mass of solution = solute+solvent
=32+230=262
mass by mass percentage= mass of solute ➗ mass of solution✖100
=32/262 ✖ 100 = 12.21%
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