Stoichiometry

How many moles of ammonium sulfate can be made from the synthesis reaction of 30.0 mol of ammonia, NH3, with sulfuric acid, H2SO4? 2 NH3 + H2SO4  (NH4)2SO4 15.0 30.0 60.0 1710 3420 1 2 3 4 5 6 7 8 9 10 11

In a very violent reaction called a thermite reaction, aluminum metal reacts with iron(III) oxide to form iron metal and aluminum oxide. What mass of aluminum is needed to react with 150 g of iron(III) oxide? 2 Al + Fe2O3  2 Fe + Al2O3 1.88 g 25.3 g 50.7 g 101 g 150 g 1 2 3 4 5 6 7 8 9 10 11

Hydrogen and nitrogen gases can be combined to form ammonia gas, NH3 Hydrogen and nitrogen gases can be combined to form ammonia gas, NH3. How many moles of N2 are required to form 27.0 g of ammonia? 3 H2 + N2  2 NH3 0.79 mol 1.59 mol 3.17 mol 44.4 mol 88.8 mol 1 2 3 4 5 6 7 8 9 10 11

Sodium sulfide and cadmium(II) nitrate undergo a double replacement reaction. What is the mass of cadmium sulfide that can be produced from 5.00 g of sodium sulfide? Na2S + Cd(NO3)2  2 NaNO3 + CdS 0.34 g 0.64 g 4.69 g 9.38 g 18.8 g 1 2 3 4 5 6 7 8 9 10 11