Okay I need help with this question.
Consider the production of phosphoric acid.

___P4O10+___H20 --- ___HPO4

What is the theoretical yield of phosphoric acid if 210. grams of tetraphosphorous decoxide is reacted with excess water?

Question

Okay I need help with this question.
Consider the production of phosphoric acid. 

___P4O10+___H20 ---> ___HPO4

What is the theoretical yield of phosphoric acid if 210. grams of tetraphosphorous decoxide is reacted with excess water?

photon336 · Answer

@zamywamy you need to balance that equation first

jebonna · Answer

Did you mean H3PO4? If so, first balance the equation like photon said.

Then, work out the moles of tetraphosphorous decoxide using the information provided in the question (moles = mass/molar mass)

Then use stoichiometry to work out moles of H3PO4

You can then work out the mass of H3PO4 (mass = moles x molar mass)

Your answer will be the mass of H3PO4 at 100% yield (theoretical yield)

matt6288 · Answer

I helped someone with this yesterday http://openstudy.com/study#/updates/57244838e4b0f53fb394a7a3