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snow_lady [41]
3 years ago
6

There are ________ oxygen atoms in 30 molecules of c20h42s3o2.

Chemistry
1 answer:
irga5000 [103]3 years ago
7 0
Answer is: 60.
In one molecule of C₂₀H₄₂S₃O₂, there is 2 atoms of oxygen (subscript after oxygen indicates number of atoms of oxygen in chemical (molecular) formula).
So, in 30 molecules of C₂₀H₄₂S₃O₂, there is: 30·2 = 60 atoms of oxygen.
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