Chemistry, asked by salusuju, 10 months ago

plz guys answer this
As soon as possible
I 'll be grateful
I need step by step explanation

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salusuju: plz guys

Answers

Answered by Vishal101100

Answer:

Atomic weights of N= 14

then no of moles in 0.7g = 7/140 = 1/20 = 0.05 mole.

no of atoms will be in it...

1mole = 6.022×10^23

then no of atoms will be....

6.022×10^23 ×0.05 = 0.3011×10^23

3.011×10^22 Atoms...

In 1 atom no of electrons = 7

then....

no of total electrons = 7×3.011×10^22

2.1077×10^23 electrons....

hope it helps you.... brainliest

salusuju: but in answer is 0.35

Vishal101100: See there 0.35×NA is given NA refers to anogadro number which is equal to 6.022×10^23

Vishal101100: hope your doubt cleared.

salusuju: ohk

salusuju: thanks

Vishal101100: your welcome

Answered by aryankunalroy38

Answer:

option(1)is correct

0.15 NA

I hope it help u and it correct

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