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Which of the following is heaviest?

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By Expert Faculty of Sri Chaitanya
a
50 g of iron
b
5 moles of nitrogen
c
0.1 gram atom of silver
d
1023 atoms of carbon
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detailed solution

Correct option is B

(A) 50gm of Iron

(B)  5 moles of nitrogen= 5x28=140grams (since1 mole of nitrogen = 28grams)

(C) 0.1 gram atom of silver=0.1×At.wt. of Ag=0.1×108=10.8gm

(D) 6x 1023 atoms of Carbon = 1 mole =12 grams.

Hence the correct option is (B).


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