How many molecules will be present in 64 g oxygen? – InterviewSolution

1.	How many molecules will be present in 64 g oxygen?
Answer» Gram molecular weight of oxygen = 32 g 32 g of O₂ contains = 6.023 × 10²³ molecules Hence, 64 g of O₂ will contain 6.023 × 10²³ × \(\frac{64}{32}\) = 6.023 × 10²³ × 2 = 12.046 × 10²³ molecules

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