Number of atoms in 4.25 g of NH3 is approximately ....!!!!!!
Number of atoms in 4.25 g of NH3 is approximately ....!!!!!!
Ayush , 5 Years ago
Grade 11
Inorganic Chemistry> Number of atoms in 4.25 g of NH3 is appro...
1 AnswersPawan Prajapati
Last Activity: 5 Years ago
Answer ;
Molar mass NH3 = 14+3 = 17g/mol
Molar mass NH3 = 14+3 = 17g/mol
given mass = 4.25g
no of moles = 4.25/17 = 0.25 mol of NH3
1 mol of NH3 contains 6.022*10^23 molecules
0.25 mol NH3 contains 0.25*6.022*10^23 = 1.5*10^23 molecules
1 molecule of NH3 contains 4 atoms
Number of atoms in 1.5*10^23 molecules = 4*1.5*10^23 atoms.
= 6*10^23 atoms
The correct answer is = 6*10^23 atoms.
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