Liquid a and Liquid B Form a Solution That Behaves

question 92

Multiple Choice

Liquid A and liquid B form a solution that behaves ideally according to Raoult's law.The vapor pressures of the pure substances A and B are 233 torr and 135 torr,respectively.Determine the vapor pressure over the solution if 1.21 moles of liquid A is added to 5.30 moles of liquid B.

• A)153 torr
• B)188 torr
• C)215 torr
• D)760 torr
• E)43.3 torr

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