Solve the problem. If the base of the log is not specified, assume that it is 10.The hydrogen potential, pH, of a substance is defined by 
where [H+] is measured in moles per liter. Find the pH of a sample of lake water whose [H+] is 3.05 x 10-9 moles per liter. Round answer to the nearest tenth, if necessary.
A. 7.3
B. 8.5
C. 10.1
D. 6.4
Answer: B
Mathematics
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