Question: Help with homework, I do not know where to start. The table was the only additional information given Indicator pH of Transition 3.0-5.0 Congo Red

Help with homework, I do not know where to start. The table was the only additional information given

was the only additional information given Indicator pH of Transition 3.0-5.0 Congo

Indicator pH of Transition 3.0-5.0 Congo Red Methyl Red 4.8-6.0 Cresol Purple 7.6-9.2 Thymolpthalein 8.3-10.5 Alizarin yellow 10.1-12.0 (b) If ammonia is being titrated with 0.200 M hydrochloric acid, what would be a good indicator. The ka for ammonium is 5.5 x 10-10 Sketch the titration with at least 1 pH point. Indicator pH of Transition 3.0-5.0 Congo Red Methyl Red 4.8-6.0 Cresol Purple 7.6-9.2 Thymolpthalein 8.3-10.5 Alizarin yellow 10.1-12.0 (b) If ammonia is being titrated with 0.200 M hydrochloric acid, what would be a good indicator. The ka for ammonium is 5.5 x 10-10 Sketch the titration with at least 1 pH point

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