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1.Calculate the pH of an 0.0452 M Ba(OH)2 solution at 298 K 2. calculate the pH...

1.Calculate the pH of an 0.0452 M Ba(OH)2 solution at 298 K

2. calculate the pH of an 0.229 M HNO2 solution at 298 K. Assume ka for HNO2 is 4.5x10^-4

3.Calculate the pH of an 0.292 M NH3 solution at 298 K. assume the Kb for NH3 is 1.8x10^-5

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