Phosphine, PH 3 , a reactive and poisonous compound, reacts with oxygen as follo

Question

Phosphine, PH3, a reactive and poisonous compound, reacts with oxygen as follows: 4PH3(g) + 8O2(g) ? P4O10(s) + 6H2O(g) If you need to make 6.5 moles of P4O10 , how many moles of PH3 would be required for the reaction? Answer                              A. 26 moles                 B. 3.2 moles                 C. 1.6 moles                 D. 13 moles                 E. 6.5 moles Phosphine, PH3, a reactive and poisonous compound, reacts with oxygen as follows: 4PH3(g) + 8O2(g) ? P4O10(s) + 6H2O(g) If you need to make 6.5 moles of P4O10 , how many moles of PH3 would be required for the reaction? 4PH3(g) + 8O2(g) ? P4O10(s) + 6H2O(g) If you need to make 6.5 moles of P4O10 , how many moles of PH3 would be required for the reaction? 26 moles 3.2 moles 1.6 moles 13 moles 6.5 moles                 A. 26 moles                 B. 3.2 moles                 C. 1.6 moles                 D. 13 moles                 E. 6.5 moles

Explanation / Answer

=6.5*4/1 =26 moles of PH3 required

option A is correct

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