Given the acid-base indicators in Question 37, select a suitable indicator
for the following titrations.
(a) sodium formate (NaCHO2) with HNO3
(b) hypochlorous acid with barium hydroxide
(c) nitric acid with HI
(d) hydrochloric acid with ammonia
Reference Question 37:
Given three acid-base indicators—methyl orange (end point at pH 4), bromthymol blue (end point at pH 7), and phenolphthalein (end point at pH 9)—which would you select for the following acid-base titrations?
(a) perchloric acid with an aqueous solution of ammonia
(b) nitrous acid with lithium hydroxide
(c) hydrobromic acid with strontium hydroxide
(d) sodium fluoride with nitric acid
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