The Number of Moles in 20

question 107

Multiple Choice

The number of moles in 20.03 g of C₂H₆O (molar mass = 46.1 g/mol) is

• A) 0.835
• B) 9.23 * 10²
• C) 4.81 * 10²
• D) 0.434
• E) none of these

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