A Solution Is Prepared by Adding 40

question 7

Multiple Choice

A solution is prepared by adding 40.00 g of lactose (milk sugar) to 110.0 g of water at The partial pressure of water above the solution is ________ Torr. The vapour pressure of pure water at 55 °C is 0.1553 bar. The MW of lactose is

• A) 118.7
• B) 8.268
• C) 19.08
• D) 2.188
• E) 114.3

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