Question

If Sr denotes the sum of the first r terms of an A.P. Then, S3n / (S2n - Sn) is

Answer 1

Answer:

The atomic mass of an oxygen atom is 16 grams. Hence 64 / 32 = 2 mols. So your answer is 12.04 x 10^23 molecules.

Step-by-step explanation:

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