How Many C₂H₄ Molecules Are Contained in 45

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

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