Chemistry, asked by Hemantsoni, 1 year ago

the total number of electrons in 4.2g of N3- ion is(NA IS THE AVAGARDO NO.)
1)2.1 NA
2)4.2 NA
3)3NA
4)3.2NA

Answers

Answered by shambhavisingh1
4
The answer of this question is 3 NA
Hemantsoni: Explain it.....
Hemantsoni: Wrong answer
Hemantsoni: 3 NA is correct
shambhavisingh1: n-3 ion has 10 electrons. 4.2g n3 ion will be 0.3 mole. 1 mole will have 10× 6.022×10^23 (na) electrons so 0.3 mole will have 10× na × 0.3 so the answer is 3.. i miss calculated it before
Answered by KSRaghav
0

Answer:

3 na

hope it help you

mark me as Brainliest

Previous Question
Next Question
Similar questions
History, 9 months ago
which is India 2nd highest peak​...
English, 9 months ago
Get a copy of any broadsheet/newspaper and read an article from it. Compare this text with the article “The local girl found slain by rejected lover.”...
Social Sciences, 9 months ago
please tell me the answer​...
Science, 1 year ago
Oxidation has damaging effects on food containing fats and oils .How?Also suggest few methods on how to prevent it.
Chemistry, 1 year ago
Evaluate which is a better fabric-cotton or nylon; rayon or wool in terms of the following properties. (i) User-friendly (ii) Strength (iii) Thermal properties (iv) Environment friendly...
English, 1 year ago
Speech on topic " punctuality ".
Social Sciences, 1 year ago
Write a short note on shah jahan...
Science, 1 year ago
Chemical formulae of white lead...