NEETChemistry-Mole Concept
NEET Chemistry Calculation of Number of Atoms MCQ Question
Type: MCQ-numerical-Medium
How many atoms are there in 4.25 g of NH₃?
A
6 × 10²³
B
5 × 10²³
C
4 × 10²³
D
1 × 10²³
Correct Answer
Option C
Detailed Explanation
Calculate the number of moles of NH₃ and multiply by Avogadro's number to find the number of molecules, then multiply by 4 (3 H + 1 N) to find the number of atoms.
Found an issue with this question?
Related Questions
More from Mole Concept
Which of the following statements about the mole concept is correct?
Chemistry
Match Column-I with Column-II. Column-I Column-II (a) 1 mole of O2 (i) 32 g (b) 1 mole of CO2 (ii) 12 g (c) 1 mole of H2O (iii) 18 g...
Chemistry
Select the correct statements from the following: A. Atoms of all elements are composed of two fundamental particles. B. The mass of the electron i...
2023Chemistry