mols H3PO4 = grams/molar mass
Using the coefficients in the balanced equation, convert mols H3PO4 to mols HCl.
Now convert mols HCl to grams. That's g = mol HCl x molar mass HCl
How many grams of HCl are produced if the following reaction yielded 27.1 grams of H3PO4?
PCl5 + 4 H2O --> H3PO4 + 5 HCl
2 answers
I did this and got 50.43 g of HCl