17. A balloon contains 4.50 X 1022 atoms of helium gas. Calculate the mass of helium in
grams.
2 answers:
Answer:
1.08 grams
Explanation:
first, we need to find the number of moles
we divide 12.1/22.4=0.54 moles
we multiply the number of moles with the molecular mass 0.54x2=1.08g
I agree with the person on top have a wonderful day :)
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