What is the mass of 3.5x10^23 molecules of CO2

[From: ] [author: ] [Date: 11-09-22] [Hit: ]

How did you get the answer? D; please help I just don't get it

1 mole CO2 (molar mass=44) has 6.023x10^23 molecules
So mass of 3.5x10^23 molecules = (44 x 3.5x10^23) / 6.023x10^23 = 25.57 g

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