Practice
What is the Molar mass of Mg(NO3)2?
148.31g/mol
2CO + O2 --> 2CO2
How many moles of CO2 of carbon dioxide are produced from 10 moles of carbon monoxide (CO)?
a) 10
b) 20
c) 1
d) 5
a) 10
What is the mole ratio in the following reaction:
2CO + 02 --> 2CO2
2:1:2
What is Liters?
22.4 = 1 mole
How many grams are in 7.8 moles of NaCl?
452 grams
N2 + 3H2 --> 2NH3
How many moles of hydrogen are needed to react with 5 moles of nitrogen?
a) 6
b) 2
c) 3
d) 15
d) 15
What is the mole ratio of the following equation:
2NaCl + 3O2 --> 2NaClO3
2:3:2
What is Particles? (Atoms/ Molecules)
6.02 x 10^23 = 1 mole
N2 + 3H2 --> 2NH3
How many moles of hydrogen are needed to react with 2 moles of nitrogen?
6
2Na + 2H2O --> 2NaOH + H2
How many grams of hydrogen are produced if 120g of Na are available?
a) 5.2g
b) 2.6g
c) 690G
d) 45g
a) 5.2g
What is the mole ratio to the following equation:
N2 + 3H2 --> 2NH3
1:3:2
What is Grams?
Atomic Mass = 1 Mole
4Al + 3O2 --> 2Al2O3
Hoe much aluminium would be needed to completely react with 45 grams of O2?
1.875 Moles
CaC2(s) + 2H2O(I) --> C2H2(g) + Ca(OH)2(aq)
How many grams of Ca(OH)2 would be formed with 3.20 moles of CaC2?
a) 119g
b) 21.2g
c) 114g
d) 237g
d) 237g
What is the mole ratio to the following equation:
2CO + O2 --> 2CO2
2:1:2
What is Moles?
1 Mole = 1 Mole
Using the following equation:
Fe2O2(s) + 3H2(g) --> 2Fe(s) + 3H2O(I)
6 Moles of Fe
Using the following equation:
4NH3(g) + 5O2(g) --> 4NO(g) + 6H2O(I)
a) 45.08g O2
b) 133.33g O2
c) 260.77g O2
d)75.92g O2
b) 133.33g O2
What is the molr ratio to the following equation:
2Na + 2H2O --> 2NaOH + H2
2:2:2:1
What are the mole conversions?
Grams, Molecules, Atoms, Particles, Liters, Moles