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8 votes
8 votes
How many molecules are present in 25 g of O₂?

User Imel
by
2.9k points

1 Answer

21 votes
21 votes

Step-by-step explanation:

Number of molecules= nL

n=mass/molar mass

n=25/32

=0.78

n=0.78

now

N=0.78×6.02×10^23

N=4.6956×10^24

User Mpuncel
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