1) Hydrochloric acid is titrated with ammonia. Which of the following indicators is most suitable for the titration? a) Methyl orange, pH range 3.1–4.4 b) Phenol red, pH range 6.8–8.4 c) Phenolphthalein, pH range 8.3–10.0 d) Bromothymol blue, pH range 6.0–7.6

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