Question

The mass of oxygen present in 1.5 mole of P4O10 is ...
1) 160g 3) 240g
2) 80g 4) 124g
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Answer 1

Answer:

2) 160m

Explanation:

• there are 10 moleculeof hydrogen...
• 10×16gm
• 160gm

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Answer 2

mass of O in 1mole of P4O10= (16×10)=160g

maas of O in 1.5mole of P4O10=160×1.5=240g