no. of atoms in 4.25g of NH3 is approx
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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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