if 69 g of ethanol is dissolved in 750 g of water what is the molality of the solution?
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The answer is 2 ( m).
750 g of water is mixed with 3/2 mole ethanol
1000 g of water is mixed with 3/2×1000/750 mole ethanol= 2 mole ethanol
Molality means the number of moles of solute is dissolved in 1000 g of solvent.
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