Question

what mass of P4O10 was obtained when 124 gram Phosphorus react with oxygen

Answer 1

2.84 gm of P4O10 was obtained

I think it may help you

Answer 2

Balance chemical equation

P4 + 5 O2 -> P4O10

1 mol 5 mol 1 mol

124g 160g 284g

Here limiting reagent is P4.

124g of P4 produce P4O10 = 284g

So, 1.33g of P4 produce P4O10 = (284/124)*1.33 = 3.05g

OPTION:- B

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