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Phoenix [80]
3 years ago
9

How many moles does 205g of helium, He contains ?

Chemistry
2 answers:
Ne4ueva [31]3 years ago
7 0
<span>Moles = weight in g / atomic weight So, moles in 40 g of He = 40 / 4 = 10 moles.</span>
Travka [436]3 years ago
7 0
19.512 
i hope this helps

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