4. To make a solution, 40 g of a nonelectrolyte is dissolved into 300 g of water. The freezing point depression of the solution is measured to be -7°C. Calculate the molar mass of the solute.

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4. To make a solution, 40 g of a nonelectrolyte is dissolved into 300 g of water. The
freezing point depression of the solution is measured to be -7°C. Calculate the molar
mass of the solute.
5. In the commercial preparation of Hydrogen Chloride, what weight of HCl in grams may
be obtained by heating 468 grams of NaCl with H,SO,
2Nacl + H,S04→ NaSO, + 2HCI
Transcribed Image Text:4. To make a solution, 40 g of a nonelectrolyte is dissolved into 300 g of water. The freezing point depression of the solution is measured to be -7°C. Calculate the molar mass of the solute. 5. In the commercial preparation of Hydrogen Chloride, what weight of HCl in grams may be obtained by heating 468 grams of NaCl with H,SO, 2Nacl + H,S04→ NaSO, + 2HCI
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