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Answer to Question #108058 in Inorganic Chemistry for Janice

Question #108058
A gas balloon is filled with hydrogen. If it weighs 4g, what is the number of hydrogen molecules in the balloon? (H =1)
1
Expert's answer
2020-04-06T11:46:25-0400

If the mass of H2 in baloon is 4 g, it contains 4/2 = 2 mole of H2. Multiplying by Avogadro's number 6.02*1023 we have that there are:

1.204*1024 molecules


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