A Solution Is an Acid If Its PH Is Less $6.3$

question 26

Multiple Choice

A solution is an acid if its pH is less than 7 and a base if its pH is greater than 7. The pH is defined by pH = -log10[H+],
where [H+] is the concentration of hydrogen ions in the solution. Use this information to answer the question
-A mixture has a pH of $6.3$ . Find the concentration of hydrogen ions $\left[ \mathrm { H } ^ { + } \right]$ in the mixture. Is the mixture an acid or a base?

• A) \(10 ^ { 6.3 }\), base
• B) \(10 ^ { 6.3 }\), acid
• C) \(10 ^ { - 6.3 }\), acid
• D) \(10 ^ { - 6.3 }\), base

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