When heated, elemental phosphorus, P4, produces phosphine, PH3, and phosphoric acid, H3PO4. How many grams of phosphine are produced if 56 grams of P4 have react

3 answers

Write and balance the equation.
Convert grams P4 to mols. mols = grams/molar mass.
Use the coefficients in the balanced equation to convert mols P4 to mols PH3.
Convert mols PH3 to g PH3. g = mols x molar mass.

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Do you add Water?

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