Ask a Question

How many particles are present in 1 mole of a substance ?

+1 vote
3.3k views
in Chapter 1: Some Basic Concepts of Chemistry by (98.9k points)
reopened by
2. Answer the following questions

E. How many particles are present in 1 mole of a substance ?

1 Answer

+1 vote
by (98.9k points)
selected by
 
Best answer

The number of particles present in 1 mole is 6.022\(\times 10^{23}\) 

It is Avogadro's number  equal to 6.022×1023 and is expressed as the symbol NA. 

Related questions

0 votes
1 answer 1.3k views
How many grams does an atom of hydrogen weigh ?
asked Apr 20, 2021 in Chapter 1: Some Basic Concepts of Chemistry by Doubtly (98.9k points)
0 votes
1 answer 500 views
What is the SI unit of amount of a substance ?
asked Apr 20, 2021 in Chapter 1: Some Basic Concepts of Chemistry by Doubtly (98.9k points)
0 votes
1 answer 562 views
What is meant by molar volume of a gas ?
asked Apr 20, 2021 in Chapter 1: Some Basic Concepts of Chemistry by Doubtly (98.9k points)
0 votes
1 answer 1.6k views
A. State and explain Avogadro's law.
asked Apr 20, 2021 in Chapter 1: Some Basic Concepts of Chemistry by Doubtly (98.9k points)
0 votes
1 answer 228 views
State the law of multiple proportions
asked Apr 20, 2021 in Chapter 1: Some Basic Concepts of Chemistry by Doubtly (98.9k points)

Doubtly is an online community for engineering students, offering:

  • Free viva questions PDFs
  • Previous year question papers (PYQs)
  • Academic doubt solutions
  • Expert-guided solutions

Get the pro version for free by logging in!

Most popular tags

jeemain geography-10th engineering physics semester 5 web computing

5.7k questions

5.1k answers

108 comments

561 users

Doubtly
...