Which of the following contains the maximum number of atoms? (1) 48 g of helium (2) 3.011 × 10 21 molecules of ammonia (3) 48 molecules of methane (4) 3 mol of oxygen
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No of moles of ammonia (NH3) = 1/2
(Divide the given number by Avagadro Number)
No of moles of H = 3*1/2= 3/2
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