Question

the active ingredient in bleach is the oxidizing agent naocl or ____________.
sodium chlorite
sodium chlorate
sodium hypochlorite
sodium perchlorate
question 2 1 pts
the following ratio is called the ____________ of a given component in a solution:
$\frac{mass of component}{mass of solution} \times 100%$
mass percentage
component composition
mass component
component percentage

Explanation:

1. For the first question, the chemical formula NaOCl represents sodium hypochlorite. Sodium chlorite is NaClO₂, sodium chlorate is NaClO₃ and sodium perchlorate is NaClO₄.
2. For the second question, the ratio $\frac{\text{mass of component}}{\text{mass of solution}}\times100\%$ is the definition of mass percentage which gives the proportion of a component in a solution by mass.

Answer:

1. C. sodium hypochlorite
2. A. mass percentage