6.02 x 1022
6.02 x 1023
3.01 x 1023
1.51 x 1023
Correct answer is C
1 mole = Molar mass of gas = Avogadros number 32g of O2 = 6.02 x 1023 16g of O2 = x x = 16×6.02×102332 = 3.01 x 1023
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