1.- Phospine, anextremely poisonous and reactive gas, will react with oxygen tof

Question

1.- Phospine, anextremely poisonous and reactive gas, will react with oxygen toform tetraphosphorus decoxide and water vapor, according to thefollowing equation: 4PH3(g) + 8O2(g)----> P4O10(s) +6H2O(g)   Calculate the mass ofP4O10(s) formed when 450 g of PH3reacts with excess oxygen. a) 3758 g      b) 1879g     c) 1800g        d) 939g      e) 112.6 g 1.- Phospine, anextremely poisonous and reactive gas, will react with oxygen toform tetraphosphorus decoxide and water vapor, according to thefollowing equation: 4PH3(g) + 8O2(g)----> P4O10(s) +6H2O(g)   Calculate the mass ofP4O10(s) formed when 450 g of PH3reacts with excess oxygen. a) 3758 g      b) 1879g     c) 1800g        d) 939g      e) 112.6 g a) 3758 g      b) 1879g     c) 1800g        d) 939g      e) 112.6 g

Explanation / Answer

450 g PH3 *(1 mol PH3 / 34 g PH3) *(1 mol P4O10/ 4 mol PH3) * (283.9 g /mol P4O10) = 939 grams d)

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