Sammysam3999 Sammysam3999

16-02-2017
Chemistry

Answered

How many molecules are in 15 grams of Oxygen gas?

A2.8 x 10 23 molecules of O2
B2.9 x1026molecules of O2
C2.5 x 10-24 O2
D9.03 x 1024 molecules of O2

Verified Answer :

Anonymous Anonymous

16-02-2017

Number of grams in 1 mole = 6.23 10^23
Now, in 15, it would be: 15 / 6.23 10^23 = 2.5 * 10^-24 moles (approx.)

In short, Your Answer would be Option C

Hope this helps!

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