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Which of the following contains particles equal to those in 12 g Mg? (At. wt. Mg = 24)

(a) 12 gm carbon

(b) 7 gm nitrogen

(c) 32 gm oxygen

(d) 24 gm carbon

1 Answer

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Best answer

Correct option is (b) 7 gm nitrogen

No. of g atoms of Mg = 12/24 = 0.5

No. of g atoms of nitrogen = 7/14 = 0.5 

Hence, both would contain the same number of particles (atoms).

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