pH

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Please answer Step C & Step D (the answers for steps a & b are provided) in the following problem: 2. Beginning with 150.0 mL of 0.175 M ammonia, determine the solution’s pH after each of the following steps: a) before any additional material is added to the solution, (Answer to this step is pH =11.25) b) after 25.0 mL of 0.200 M nitric acid, HNO3, is added, (Answer to this step is pH =9.88) c) after 25.0 mL of 0.400 M ammonium chloride is added to the solution resulting from step (b), and d) after an additional 25.0 mL of 0.400 M ammonium chloride is added to the solution (be sure to account for the change in volume at each step).
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