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Answer to Question #265476 in General Chemistry for gracie
Question #265476
how many grams of O2 will react completely with 35.0 grams PH3?
Expert's answer
2PH3 + 4O2 → P2O5 + 3H2O
Molar mass of PH3= 33.99758 g/mol
35/33.99758 = 1.029mol
Molar mass of O2= 31.998
Mole ratio= 2:4
= 2×1.029×31.998= 65.883g
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