Question

7gm of nitrogen contains the same number of molecules as
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Answer 1

Answer:

1.5×10^23

Explanation:

7 gram of Nitrogen contains 1.5×10^23 molecules.

Answer 2

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In 1 mole of nitrogen, we have 6.022*10^23 atoms of it. Now, if we find out how many moles of nitogen are there in 7 gm, we can calculate atoms easily. So, atomic weight of nitrogen is 14 u.. => 3.011*10^23 atoms…