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    Chemistry Study Set 2
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    Exam 3: Molecules,compounds,and Chemical Equations
  5. Question
    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 2

Question 2

Multiple Choice

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


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

Correct Answer:

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