How many grams are in 12 moles of helium?

1 Answer
anor277
Jun 13, 2016

Just under 50*g.

Explanation:

He has a molar mass of 4.003*g*mol^-1.

Given your molar quantity:

"Mass" = 4.003*g*cancel(mol^-1)xx12*cancel(mol) = ??*g

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