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Estimate (to ±0.1) pH values of the following solutions: 1. 0.25 M lactic acid 2. 0.025...

Estimate (to ±0.1) pH values of the following solutions:

1. 0.25 M lactic acid

2. 0.025 M methylamine

3. 0.25 M potassium carbonate

4. 0.08 M methylammonium chloride

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