Ima Chemist Found the Density of Freon-11 (CFCl₃) to Be

question 4

Multiple Choice

Ima Chemist found the density of Freon-11 (CFCl₃) to be 5.58 g/L under her experimental conditions. Her measurements showed that the density of an unknown gas was 4.38 g/L under the same conditions. What is the molar mass of the unknown?

• A)96.7 g/mol
• B)108 g/mol
• C)127 g/mol
• D)165 g/mol
• E)175 g/mol

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