What is the approximate ph at the 2nd end point
If the oxalic acid in a 50.0 mL of aqueous spinach extract was titrated with 0.0250 Molarity NaOH and the 1st equivalence point was reached after 15.0 mL of standard base solution added, what is the approximate pH at the 2nd end point?
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How many grams of dipotassium oxalate (M.W.=166.22) should be added to 27.293 mL of 0.6682 M HClO4 to provide a solution with a pH value of 5.6262 when the solution is diluted to 53.981 mL?
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