Answer to Question #278388 in General Chemistry for reu

Question #278388

A balloon contains 0.7475 mol of helium (He) gas. Calculate the mass of helium in grams.


1
Expert's answer
2021-12-14T05:18:01-0500

Mole= mass/molar mass

Mass=mole× molar mass

Mass=0.7475×4

Mass=2.99g


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