The number of molecules and moles in 2.8375 litres of O2 at STP are respectively (A) 7.527 × 1022 and 0.125 mol (B) 7.527 × 1022 and 0.250 mol (C) 7.527 × 1023 and 0.125 mol (D) 1.505 × 1022 and 0.250

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Question

The number of molecules and moles in 2.8375 litres of O2 at STP are respectively

(A) 7.527 × 1022 and 0.125 mol
(B) 7.527 × 1022 and 0.250 mol
(C) 7.527 × 1023 and 0.125 mol
(D) 1.505 × 1022 and 0.250 mol

Prashant Kotian · Accepted Answer

Correct answer: A. . 8375 . = 0.125 mol 0.125 x 6.02 x 1023 = 7.527 x 1022 molecules

💡 Solution & Explanation