a.Equation must contain correct formulas for reactants and products.
b.Equation must represent known facts .
c.Equation must satisfy Law of Conservation of Mass.
d.All of the above.
e.Number 1 and 3 only.
Answer: e. Number 1 and 3 Reasoning: Correct formulas are necessary to get the correct outcome. No matter is created or destroyed, the equation must be balanced.
