Question

calcute the mass of 3.01181023 Number of nitrogen atoms
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Answer 1

Answer:

3.011×1023 no. of nitrogen atom at mass of nitrogen =14g

1 mole of nitrogen contains 6.022×1023 atoms

14g will contains 6.022×1023 atoms

how,

6.022×102314​g contains 1 atom

∴(6.022×102314​)×3.011×1023

=214​=7g of N.