An aqueous solution has molality 11.11 hence mole fraction of solute in the solution is
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Use the formula,
molality = x × 1000/(1 - x) × M
Here x is mole fraction of solute and M is tbe mass of solvent.
an aqueous solution , solvent is water.
so, M = 18 g/mol
Given,
molality = 11.11 ≈ 100/9
∴ 100/9 = x × 1000/(1 - x) × 18
⇒1 = 10x/(2 - 2x)
⇒2 - 2x = 10x
⇒12x = 2
⇒x = 1/6 = 0.1667
molality = x × 1000/(1 - x) × M
Here x is mole fraction of solute and M is tbe mass of solvent.
an aqueous solution , solvent is water.
so, M = 18 g/mol
Given,
molality = 11.11 ≈ 100/9
∴ 100/9 = x × 1000/(1 - x) × 18
⇒1 = 10x/(2 - 2x)
⇒2 - 2x = 10x
⇒12x = 2
⇒x = 1/6 = 0.1667
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