Question

Calculate the mass of 3.011X 1024 molecules of nitrogen gas

Answer 1

Answer:

3.011×10

23

no. of nitrogen atom at mass of nitrogen =14g

1 mole of nitrogen contains 6.022×10

23

atoms

14g will contains 6.022×10

23

atoms

how,

6.022×10

23

14

g contains 1 atom

∴(

6.022×10

23

14

)×3.011×10

23

=

2

14

=7g of N.

Explanation:

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