What Is the Molar Mass of Pentane If 4

question 78

Multiple Choice

What is the molar mass of pentane if 4.18 × 10¹⁶ molecules of pentane weigh 5.00 μg?

• A)72.0 g/mol
• B)139 g/mol
• C)288 g/mol
• D)347 g/mol

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