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 
where [H+] is the concentration of hydrogen ions in the solution. Use this information to answer the question.The concentration of hydrogen ions in a solution is approximately 10-7.6. What is the pH of the solution? Is the solution an acid or a base?
A. The pH is 7.6. The solution is an acid.
B. The pH is -7.6. The solution is a base.
C. The pH is -7.6. The solution is an acid.
D. The pH is 7.6. The solution is a base.
Answer: D
Mathematics
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