Question

no. of atoms in 4.25g of NH3 is approx ​

Answer 1

Answer:

Molecular mass of ammonia is 14+3=17

In 1 molecule of NH3 there are 4 atoms

1 mole 17g has avagadro number of molecules

17g=1 mole

4.25g =4.25/17=0.25 moles

1 mole =4×6.022×10^23 atoms

0.25 or 1/4mole=6.022×10^23 atoms..

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Answer 2

ANSWER:

The answer is given in the attachment.

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