A Sample of Carbon Monoxide Gas Was Collected in a 2.0

question 108

Multiple Choice

A sample of carbon monoxide gas was collected in a 2.0 L flask by displacing water at 28°C and 810 mmHg.Calculate the number of CO molecules in the flask.The vapor pressure of water at 28°C is 28.3 mmHg.

• A)5.0 × 10²²
• B)5.2 × 10²²
• C)3.8 × 10²³
• D)5.4 × 10²³
• E)3.8 × 10²⁵

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