Asked by jaira
How many grams of PH3 are present in 477 mL of the gas at STP?
Answers
Answered by
DrBob222
1 mole occupies 22.4 L PH3 gas @ STP. So how many moles do you have in 0.477 L?
Then mols = grams/molar mass. You know mols and molar mass; solve for grams.
Then mols = grams/molar mass. You know mols and molar mass; solve for grams.
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