Solve the problem.The hydrogen potential, pH, of a substance is defined by 
where the hydrogen ion concentration, [H+], is measured in moles per liter. Find the hydrogen ion concentration of a solution whose pH is 7.4.
A. 2.51 × 107 moles per liter
B. 3.98 × 10-8 moles per liter
C. 0.86923172 moles per liter
D. -0.8692317 moles per liter
Answer: B
Mathematics
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