1.
a. Balanced equation: Cl2 + 2NaOH → NaCl + NaClO2 + H2O
b. The molar to molar ratio of sodium hydroxide to sodium chloride is 2:1.
c. The name of NaClO2 is Sodium Chlorite and it forms the ions Na+ and ClO2-.
2.
a. Balanced equation: 2H2 + O2 → 2H2O
b. Type of reaction: Synthesis
c. Theoretical yield of water from 250.0 grams of hydrogen is 111.11 grams.
d. Theoretical yield of water from 250.0 grams of oxygen is 250.0 grams.
e. The limiting reactant is oxygen.
3.
a. The limiting reagent is ammonia and the theoretical yield of nitric oxide is 6.08 grams.
b. Excess reagent remaining is 0.54 grams.
c. Balanced equation: 3Si + 4N2 → 2Si3N4
d. The additional grams of nitrogen needed to produce 98.5 grams of product is 33.3 grams.
4.
a. Balanced equation: S8 + 8O2 → 8SO3
b. The theoretical yield of sulfur trioxide is 164.4 grams.
c. The percent yield of sulfur trioxide is 150.0%.