Question

25. Which of the following does not occupy a volume of 4.48 L at S.T.P. ?
(a) 0.2 mol of H2
(b) 12.8 g of SO,
(c) 3.2 g of O2
(d) 800 mg of He
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Answer 1

Answer:

3.2 g of O2

Explanation:

3.2g of O2 does not occupy a volume of 4.48 L of O2.