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Enter your answer in the provided box. How many grams of phosphine (PH3) can form when 34.6g of phosphorus and 85.5L of hydrogen gas react

Enter your answer in the provided box. How many grams of phosphine (PH3) can form when 34.6g of phosphorus and 85.5L of hydrogen gas react at STP? P4(s)+H2(g)PH3(g) (Unbalanced) g PH3

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