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College Physics

11th Edition
Raymond A. Serway + 1 other
ISBN: 9781305952300

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Section
BuyFindarrow_forward

College Physics

11th Edition
Raymond A. Serway + 1 other
ISBN: 9781305952300
Textbook Problem

Use Avogadro’s number to find the mass of a helium atom.

To determine
The mass of helium atom.

Explanation

Given Info: The Avogadro number is NA=6.02×1023atoms/mol . Molar mass of helium is 4.00×103kg/mol .

Formula to calculate the mass of helium atom is,

m=MNA

  • M is the molar mass

Substitute 4.00×103kg/mol for M and 6.02×1023atoms/mol for NA in the above equation to get m

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