Which one of the following will have lar | Class 11 Chemistry Chapter Some Basic Concepts of Chemistry, Some Basic Concepts of Chemistry NCERT Solutions

Question:

Which one of the following will have largest number of atoms?

 

(i) 1 g Au (s)

 

(ii) 1 g Na (s)

 

(iii) 1 g Li (s)

 

(iv) 1 g of Cl2(g)

Answer:

(i) Gram atomic mass of Au= 197 g 

Or

197g of Au contains = 6.022 x 1023

 

Therefore 1gm of Au contains = 6.022 x 1023/197*1 = 3.06 x 1021 atoms

 

(ii) Gram atomic mass of Na = 23 g

Or

23 g of Na contains atoms = 6.022x 1023

Or

1gm of Na contains atoms = 6.022x1023 /23 *1 = 26.2 x1021 atoms

 

(iii) Gram atomic mass of Li = 7

Or

7g of Li contains atoms = 6.022 x 1023

Or

1g of Li contains atoms = 6.022 x 1023/7 *1= 86.0 x 1021 atoms

 

(iv) Gram atomic mass of Cl = 71 Or 71g of Cl contains atoms = 6.022x1023

Or

1 g of Cl contains atoms = 6.022x1023 /71 * 1= 8.48 x 1021 atoms

 

Hence, 1 g of Li (s) will have the largest number of atoms.


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Comments

  • Aaliya Bashir
  • 2021-01-13 08:43:05

Very good answer


  • Mayur Dehankar
  • 2019-12-08 21:05:34

Very properly answered


  • Shreyas
  • 2019-10-31 14:00:31

Thanks❤!


  • Pratap Dhumal
  • 2019-08-07 19:17:52

I like it very much😘


  • Ameesha
  • 2019-07-02 20:44:34

Very good answer


  • Rahul
  • 2019-02-11 21:34:18

Awesome


  • Jashan
  • 2019-01-30 10:18:07

Thanks


  • Ambikesh
  • 2018-08-30 13:58:01

Thanks


  • Harsh
  • 2018-07-06 22:38:39

Correct it is very helpful


  • Manik Khurana
  • 2018-04-28 12:17:28

Thanks a lot


Comment(s) on this Question

Welcome to the NCERT Solutions for Class 11 Chemistry - Chapter . This page offers a step-by-step solution to the specific question from Excercise 1 , Question 28: Which one of the following will have largest number of atoms?   (i) 1 g Au (s)   ....