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11:25 PM Wed Jul 6 < Before (mol) Change (mol) After (mol) NEXT > Use the table below to determine the moles of reactant and product after the reaction of the acid and base. You can ignore the amount of liquid water in the reaction. 1.00×10 Determine the pH at the point in the titration of 40.0 ml of 0.200 M HC,H,O, with 0.100 M Sr(OH), after 100.0 mL of the strong base has been added. The value of Ka for HC,H,O, is 1.5 x 10¹ 0 -1.00 10 HCHOlal + Question 3 of 8 0.100 1.20 x 10 0.200 -1.20 x 10 OH(aq) 2.00 10 2.00 × 10 → H₂O) -2.00 x 10 -2.00×10 8.00 x 10 . CHO ĐỜI RESET -8.00 x 10+ PSON Submit
Question 4 of B In the titration of 270.0 mL of 0.4000 M HONH₂ with 0.2000 M HBr, how many mL of HBr are required to reach the halfway point? 1 4 7 +/- mL 2 3 5 8 + 9 9 0 Submit X C x 100