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    Exam 3: Molecules, Compounds, and Nomenclature
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    How Many C<sub>2</sub>H<sub>4</sub> Molecules Are Contained in 45
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How Many C2H4 Molecules Are Contained in 45

Question 176

Question 176

Multiple Choice

How many C2H4 molecules are contained in 45.8 mg of C2H4? The molar mass of C2H4 is 28.05 g mol-1.


A) 9.83 × 1020 C2H4 molecules
B) 7.74 × 1026 C2H4 molecules
C) 2.71 × 1020 C2H4 molecules
D) 3.69 × 1023 C2H4 molecules
E) 4.69 × 1023 C2H4 molecules

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