Question

sodium oxide(Na2O) reacts with an oxide of phosphorus(P4O10) to form the only product sodium phosphate(Na3PO4).How many moles of Na2O can completely react with one mole of P4O10?

Answer 1

6Na2o+P4O10 ---> 4Na3PO4
6 moles of Na2O= 1 MOLE OF P4O10
1 mole Na2o = 1/6 mole P4O10