How many moles of he are in 16 g of the element??

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asked Dec 16, 2017 174k views

2 Answers

Endel Dreyer · Answer 1 · 2017-12-18T06:35:18+0000

By using the formula Moles = Mass/ molar mass we can apply this.

We have 16g of helium and the molar mass of He is 4.002 Amu.

Mole = 16g/4.002Amu
Mole = 3.998 mol
Mole = 4.00 mol

There are 6.02 x 10^23 molecules in a mol so there are 4 times of 6.02 x 10^23 molecules of helium. Quite a lot huh! :)

How many moles of he are in 16 g of the element??

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