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18 May, 02:31

What is the mass of one of helium gas

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  1. 18 May, 04:25
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    Helium is a small atom so its mass is called an atomic mass. One atomic mass of helium is 4.002602 g/mol. This is calculated by the multiplication of its atomic mass number to the molar mass constant which results to the value of its atomic mass or one molar mass.
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