Post a New Question

Chemistry

posted by on .

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?

  • Chemistry - ,

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

    This is a proportion.
    Cross multiply to find the answer

  • Chemistry - ,

    0.135molHe

Answer This Question

First Name:
School Subject:
Answer:

Related Questions

More Related Questions

Post a New Question