If 405 X 10²³ Molecules of a Substance Have a Mass

question 78

Multiple Choice

If 4.05 x 10²³ molecules of a substance have a mass of 86.2 g, what is the molar mass of the substance?

• A)128 g/mol
• B)3.49 x 10²⁵ g/mol
• C)2.13 x 10²² g/mol
• D)4.70 x 10²¹ g/mol
• E)58.0 g/mol

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