mole-mole
2C2H2+5O2⟶4CO2+2H2O
How many moles of O2 are needed to react with 1.80 mol of C2H2?
4.5 mol O2
4Na+O2→2Na2O
How many grams of Na2O are produced when 60 g of Na reacts?
80.9 g Na2O
N2+3H2→2NH3
How many moles of NH3 are needed to produce 3.8 grams of H2?
1.2 mol NH3
C2H6O+3O2→2CO2+3H2O
If .5 mol of C2H6O reacts with O2 how much O2 will be used?
48 g O2
2C2H2+5O2⟶4CO2+2H2O
How many moles of CO2 are produced when 5mol C2H2 react?
10 mol CO2
4Na+O2→2Na2O
If you have 19.3 g of Na, how many grams of O2 are required for reaction?
6.71 g O2
N2+3H2→2NH3
How many moles of H2 are needed to react with 2.15 g N2?
.23 mol H2
C2H6O+3O2→2CO2+3H2O
If 2 mol O2 is used how many grams of CO2 are produced?
58.6 g CO2
2C2H2+5O2⟶4CO2+2H2O
How many moles of C2H2 are required to produce 0.55 mol H2O
4Na+O2→2Na2O
How many grams of O2 are needed in a reaction that produces 83.8 g of Na2O?
21.6 g O2
N2+3H2→2NH3
How many moles of NH3 are produced from 13.4 g of H2?
4.46 mol NH3
Cl2 + 2Na →2NaCl
How much sodium chloride is produced when 1.25 moles of chlorine gas reacts with sodium?
146 g NaCl