1.How are you going to use the ideal gas law to find the molar mass of a gas in
ID: 927783 • Letter: 1
Question
1.How are you going to use the ideal gas law to find the molar mass of a gas in this experiment? Select one:
a. to calculate the pressure of the gas b. to calculate the volume of the gas c. to calculate the temperature of the gas d. to calculate the number of moles of the gas
2.What is the purpose of the calcium chloride drying tube? Select one:
a. Both b and c are correct b. To dry the air as it passes through the tube c. To dry the carbon dioxide gas as it passes through the tube d. To dry the hydrochloric acid as it passes through the tube e. Both a and c are correct
3. What is the identity of the gas formed when marble chips react with aqueous hydrochloric acid? Select one: a. carbon dioxide gas b. nitrogen gas c. hydrogen gas d. oxygen gas e. carbon monoxide gas
Explanation / Answer
1. d. to calculate the number of moles of the gas
2. a. Both b and c are correct
3. a. carbon dioxide gas
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