Number of atoms in 42.5g of NH3
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Answer:
42.5g NH3 =2.5*6.022*10^23 NH3 atoms
= 1,505,500,000,000,000,000,000,000 atoms
Explanation:
molecular mass of NH3 = 17g
there fore number of moles present in 42.5g NH3 = 42.5g / 17 g
=2.5 moles
there fore number of atoms present in 42.5g NH3
=2.5*6.022*10^23
NH3 atoms
= 1,505,500,000,000,000,000,000,000
atoms
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