Chemistry
NULL
Medium
Question
The mass of P4O10 that will be obtained from the reaction of 1.33 gram of P4 and 5.07 of oxygen is___________?
A
2.05 gram
B
3.05 gram
✓ Official correct answer
C
4.05 gram
D
5.05 gram
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A
2.05 gram
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B
3.05 gram
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C
4.05 gram
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D
5.05 gram
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Explanation
For P4 + 5O2 → P4O10, 1.33g P4 (0.0107 mol) is the limiting reactant against the excess 5.07g O2 (0.159 mol); this yields 0.0107 mol P4O10, or approximately 3.05 grams.
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