1. Draw a titration curve and select an indicator for titration of 0.3 M ammonia solution with 0.3 M hydrochloric acid solution. Calculate the indicator titration error for the selected indicator. To calculate the curve, determine the pH for the points when the HCl 0 solution is added; 50; 99; 99.9; one hundred; 100.1% (of the equivalent amount).

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