Part A: for the Following Chemical Equations, Write the Possible Mole Ratios

Part A: For the following chemical equations, write the possible mole ratios.

a.  Li3N + 3H2O à NH3 + 3LiOH

1 Li3N 1 Li3N 1 Li3N 3 H2O 3 H2O 1 NH3

3 H2O 1 NH3 3 LiOH 1 NH3 3 LiOH 3 LiOH

b.  Cl2 + 2NaI à 2NaCl + I2

1 Cl2 1 Cl2 1 Cl2 2 NaI 2 NaI 2 NaCl

2 NaI 2 NaCl 1 I2 2 NaCl 1 I2 1 I2

c.  2CO + O2 à 2CO2

2 CO 2 CO 1 O2

1 O2 2 CO2 2 CO2

d.  2O3 à 3O2

2 O3

3 O2

e.  Sb2O3 + 3C à 2Sb + 3CO

1 Sb2O3 1 Sb2O3 1 Sb2O3 3 C 3 C 2 Sb

3 C 2 Sb 3 CO 2 Sb 3 CO 3 CO

f.  Ni(NO3)2 + 2NaOH à Ni(OH)2 + 2NaNO3

1 Ni(NO3)2 1 Ni(NO3)2 1 Ni(NO3)2 2 NiaOH 2 NaOH 1 Ni(OH)2

2 NaOH 1 Ni(OH)2 2 NaNO3 1 Ni(OH)2 2 NaNO3 2 NaNO3

Part B: Using arrows to map your work solve the following 1-step stoichiometry problems.

a.  Determine the moles of LiOH produced when 2 moles of Li3N reacts with H2O.

Li3N + 3H2O à NH3 + 3LiOH

2 moles Li3N x 3 moles LiOH = 6 moles LiOH

1 mole Li3N

b.  Determine the moles of NaI needed to react with 2 moles of Cl2.

Cl2 + 2NaI à 2NaCl + I2

2 moles Cl2 x 2 moles NaI = 4 moles NaI

1 mole Cl2

c.  Determine the moles of CO needed to produce 3 moles of CO2.

2CO + O2 à 2CO2

3 moles CO2 x 2 moles CO = 3 moles CO

2 mole CO2

d.  Determine the moles of O2 produced when 8 moles of O3.

2O3 à 3O2

8 moles O3 x 3 moles O2 = 12 moles O2

2 mole O3

e.  Determine the moles of C needed to react with 5 moles of Sb2O3.

Sb2O3 + 3C à 2Sb + 3CO

5 moles Sb2O3 x 3 moles C = 15 moles C

1 mole Sb2O3

f.  Determine the moles of Ni(OH)2 produced if 5 moles of NaOH react with Ni(NO3)2.

Ni(NO3)2 + 2NaOH à Ni(OH)2 + 2NaNO3

5 moles NaOH x 1 moles Ni(OH)2 = 2.5 moles Ni(OH)2

2 mole NaOH