The H₃O⁺ Concentration of a Solution Is 2 $\times$ 10^-6 M

question 74

Multiple Choice

The H₃O⁺ concentration of a solution is 2.5 $\times$ 10^-6 M.What is the pH of the solution?

• A) 6.81
• B) 3.77
• C) 2.00
• D) 5.60
• E) 10.60

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Definitions:

SiO2

The chemical formula for silicon dioxide, a naturally occurring oxide of silicon commonly found in quartz and many other minerals.

Balanced Equation

A chemical equation that has equal numbers of atoms for each element involved in the reaction on both reactant and product sides, adhering to the law of conservation of mass.

NaClO3

Sodium chlorate, a chemical compound used as a herbicide and in the manufacture of dyes and explosives.

NaCl

The chemical formula for sodium chloride, commonly known as table salt.