Given the unbalanced reaction: p₄+ o₂ p₄o₁₀ how many moles of o₂ are needed to produce 14.2 grams of p₄o₁₀­?
a. 0.125 mol
b. 0.0620 mol
c. 0.500 mol
d. 0.0500 mol
e. 0.250 mol

The correct answer is option e.

Explanation:

Moles of phosphorus pent-oxide :

According to reaction, 1 mole of phosphorus pent-oxide is obtained from 5 moles of oxygen gas.

Then 0.05 mole of  phosphorus pent-oxide will be obtained from:

Hence,the correct answer is option e.

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