Question

"X" L of methane gas at STP contains 1.5 × 1021 molecules. The number of molecules in "x" L of sulphur
dioxide at STP will be:
(1) 3 x 1021
(2) 1.5 x 1021
(3) 6 x 1021
(4) 0.15 x 1021​

Answer 1

Answer:

1.5 × 1021

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