Question

Please i need ur help its urgent

Answer 1

Explanation:

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.

Answer 2

Explanation:

option b

hope it's helpful to you

please mark me as branilest