A 50 mL sample of gas is collected over water. What will be the effect on the calculated molar mass — Gases Chemistry Question
Question
A 50 mL sample of gas is collected over water. What will be the effect on the calculated molar mass of the gas if the effect of the water vapor is ignored? It will be
A.
high because of the mass of water in the collection flask.
B.
high because of omitting the vapor pressure of the water in the calculation.
C.
low because of the mass of water in the collection flask.
D.✓ Correct
low because of omitting the vapor pressure of the water in the calculation.
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