Caculate the molar mass of the solute, Chemistry

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A solution is made by dissolving30 g of a non-volatile solute in 90 g of water.

It has a vapour pressure of 2.8 kPa at 298 K. At 298 K, vapour pressure of pure water is 3.64 kPa. Measure the molar mass of the solute.

 


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