Question

I only need an answer key

Answer 1

Answer:

these all are correct forom me as still iam learning but these are correect dont worry

Explanation:

Answer 2

The answer key to the following questions;

• 31)  option (d) 6.023×10 power 23 atoms.

• 32)  option (a) 0.2 gram of atom N
• 33)  option (d) 36g
• 34)  option (c) 6g of water
• 35)  option (a) 6.023×10 power 23 atoms of oxygen
• 36)  option(b) 3.0 × 10 power 21
• 37)  option(b) 1.5 × 10 power 23
• 38)  option (b) 1/12th of mass of C-12
• 39)  option(d) 100 moles
• 40)  option (d) 0.25 moles  

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