Which has the maximum number of molecules among the following?
(a) 44 g CO2
(b) 48 g O3
(c) 8 g H2
(d) 64 g SO2
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Ans: (c) 8 g H2
The maximum number of molecules is present in (a) 15 L of H2 gas at STP (b) 5 L of N2 gas at STP (c) 0.5 g of H2 gas (d) 10 g of O2 gas.
The number of water molecules is maximum in (a) 1.8 gram of water (b) 18 gram of water (c) 18 moles of water (d) 18 molecules of water.