Question

(b) What is the mass of:

(a) 0.2 mole of oxygen atoms? (b) 0.5 mole of water molecules​

Answer 1

Answer:

16×0.2=3.2g

18×0.5=9g

Explanation:

Hope it helps

Answer 2

Answer:

0.2 mole of oxygen atoms is 3.2g

and 0.5 mole of water molecules is 9g 10

Explanation:

0.2 mole of oxygen atoms = 16×0.2=3.2g

and we all knows that 1 mole of water molecules is 18g.So 0.5 mole of water molecules is 18g×0.5=9g 10

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