Chemistry, asked by saurabh10021, 1 year ago

calculate the mass of ammonia sample which contains 3 * 10^22 atoms of nitrogen

Answers

Answered by ThisIsGamer
0

Please tell which subject and chapter and class then I will answer you.


saurabh10021: class 11 lesson mole concept....
Answered by fhibahiqbal
0
The ratio between N and H is 1:3

If N is 3*10²²

H is 9*10²²

moles of N in sample

3*10²²/6.022*10²³=0.05 Moles

mass of N in sample is 0.05*14=0.7g

moles of H in sample

9*10²²/6.022*10²³=0.15 moles

mass of H in sample is 0.15*1=0.15g

Therefore mass of NH₃ is 0.7+0.15=0.85g

Hope this helps
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