Asked by Mira

A helium balloon contains 0.54g of helium.
Given the molecular weight of helium is 4.0 g/mol, how many moles of helium does it contain?

12 years ago

Answered by JJ

4.0 g/1mole = .54 g/x mole

This is a proportion.
Cross multiply to find the answer

12 years ago

Answered by Stephanie

0.135molHe

12 years ago

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