a) 2g -atom of N means 2 moles of N 1 mole of N weighs 14g 2 mole of N weighs 2 14 28g x b) Weight of 23 3 10 x C-atoms = 23 3 10 x 6.023 23 10 x 12g x 1 12 6 2 g g x c) Weight of 1 mole of S = moles ×Atomic weight = 1×32=32g d) 7g of silver (given) The correct option is (b)
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