which one of the following hasmore number of molecules. a) 11g co2 b) 9g o2 c) 2g h2 d) 21g n2
Answers
Answer:
11th
Chemistry
Some Basic Concepts of Chemistry
Mole Concept and Molar Masses
Which of the following cont...
Chemistry
Which of the following contain maximum number of molecules?
Medium
Video Explanation
Solution To Question ID 78065
Answer
For a molecule,
molecular weight in grams = Avogadro's number(N
A
)=6.023×10
23
(A) 1g CO
2
44 gram of CO
2
=N
A
molecules
∴ 1 gram of CO
2
contains
44
1
×N
A
molecules
(B) 1g N
2
28 gram of N
2
=N
A
molecules
∴1 gram of N
2
contains
28
1
×N
A
molecules
(C) 1g H
2
2 gram of H
2
contains N
A
molecules
∴ 1 gram of H
2
contains
2
1
×N
A
molecules
(D) 1g CH
4
16 gram of CH
4
=N
A
molecules
∴ 1 gram of CH
4
=N
A
/16
Maximum number of molecules are found in 1 gram hydrogen.