Ca3(PO4)2(s) + 3H2SO4(aq)
3CaSO4(s) + 2H3PO4(aq)
What mass of concentrated sulfuric acid (98.0 % H2SO4 by mass) must be used to react completely with 100.0 g of Ca3(PO4)2?
2) Ammonia is produced from the reaction of nitrogen and hydrogen according to the following balanced equation:
N2(g) + 3H2(g)
2NH3(g)
a) What is the maximum mass of ammonia that can be produced from a mixture of 1000. g of N2 and 500.0 g of H2?
b) What mass of which starting material would remain unreacted?
UNREACTED ELEMENT (type hydrogen or nitrogen):