Use the pH scale to answer the question.
-What is the hydrogen ion concentration of a solution with pH 2.5?
A) $3.2 \times 10 ^ { - 3 }$
B) $3.2 \times 10 ^ { - 4 }$
C) $3.2 \times 10 ^ { - 2 }$
D) $3.2 \times 10 ^ { - 5 }$

Question

Use the pH scale to answer the question.
-What is the hydrogen ion concentration of a solution with pH 2.5? 
A) $3.2 \times 10 ^ { - 3 }$
B) $3.2 \times 10 ^ { - 4 }$
C) $3.2 \times 10 ^ { - 2 }$
D) $3.2 \times 10 ^ { - 5 }$

Quizplus · Accepted Answer

The hydrogen ion concentration $[H^+]$ can be found using the formula $[H^+] = 10^{-\text{pH}}$. For a pH of 2.5, $[H^+] = 10^{-2.5} = 3.2 \times 10^{-3}$.

Use the PH Scale to Answer the Question 3.2×10−33.2 \times 10 ^ { - 3 }3.2×10−3

Use the PH Scale to Answer the Question $3.2 \times 10 ^ { - 3 }$