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An HCl solution has a pH of 3.350. After some NaOH was
added to it, the pH of the resulting solution became 6.780.
What is the positive difference in concentration of [H3O+]?
Express your answer in scientific notation.
x 10^
M


An HCl Solution Has A PH Of 3350 After Some NaOH Was Added To It The PH Of The Resulting Solution Became 6780 What Is The Positive Difference In Concentration O class=