Science, asked by gchahat675, 7 months ago

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Answered by YashNayal

2

Answer:

option A is correct

Explanation:

plaese Mark my answer as brainlist..

Answered by Anonymous

16

Q) What is the mass of:

a) Mass of 0.2 mole of oxygen atoms is 3.2 units.

b) Mass of 0.5 mole of water molecules is 9 units.

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