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1-If 10.7 mL of 0.105 M NaOH is required to reach the first equivalence point of a solution of 0.050 M citric acid, a triprotic acid, how many mL (total) of NaOH are required to completely titrate all three of citric acid's protons?
a. 32.1 mLb. 18.0 mLc. 22.5 mLd. 5.1 mL
2-How many moles of NaOH will react completely (titrate both protons) with 50.0 mL of 0.850 M H2SO3.
a. .0425 molesb. 42.5 molesc. .0850 molesd. 85.0 moles
a solution is prepared by mixing 50.0 ml of 0.30 m pbno32 with 50.0 ml of 1.4 m kcl. calculate the concentrations of
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