Question

what is the mass of:
1- 0.2 mole of oxygen atom?
2- 0.5 mole of water Molecule?

Answer 1

1. 1 mole - 16 g
0.2 - x
x=3.2g
2. 1mole - 18g
0.5 - x
x=9g

Answer 2

☺ Hello mate__ ❤

◾◾here is your answer...

Approach to solving Question :- first we calculate mass of 1 mole. After this multiplying this by given no. Of mole.

⭐ Mass of one mole of oxygen atoms = 16g Then, mass of 0.2 mole of oxygen atoms

= 0.2 × 16g = 3.2g

__________________________

⭐Mass of one mole of water molecule = 18g Then, mass of 0.5 mole of water molecules

= 0.5 × 18g = 9g

I hope, this will help you.

Thank you______❤

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