Barbiturates Are Synthetic Drugs Used as Sedatives and Hypnotics

question 62

Multiple Choice

Barbiturates are synthetic drugs used as sedatives and hypnotics.Barbital (
= 184.2 g/mol) is one of the simplest of these drugs.What is the boiling point of a solution prepared by dissolving 42.5 g of barbital in 825 g of acetic acid?
K_b = 3.07°C/m,boiling point of pure acetic acid = 117.9°C

• A)117.0°C
• B)117.7°C
• C)118.1°C
• D)118.8°C
• E)>120°C

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