1.80 g of solute A was dissolved in 62.5 cm^3 of ethanol and freezing point of the solution was found to be 155.1 K.

1.80 g of solute A was dissolved in 62.5 cm³ of ethanol and freezing point of the solution was found to be 155.1 K. The molar mass of solute A is __g mol^-1 .

[Given: Freezing point of ethanol is 156.0 K.

Density of ethanol is 0.80 g cm^–3 .

Freezing point depression constant of ethanol is

2.00 K kg mol^–1 ]

1.80 g of solute A was dissolved in 62.5 cm^3 of ethanol and freezing point of the solution was found to be 155.1 K.

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