What Mass in Grams of a Molecular Substance (Molar Mass

question 34

Multiple Choice

What mass in grams of a molecular substance (molar mass = 50.0 g/mol) must be added to 500 g of water to produce a solution that boils at 101.56°C? [Kb(water) = 0.512°C m-1]

• A) 76.2 g
• B) 150.0 g
• C) 100.0 g
• D) 30.0 g
• E) 152.4 g

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