Determine the change in ph of the solution
100.0 ml of a buffer consists of the 0.20 M NH3 and 0.01 M NH4Cl (pKb of NH3=4.75) Determine the change in pH of the solution after the 25.0 ml of 0.10 M of HI has been added?
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A student wishes to determine the density of a solution of sodium hydroxide. He finds the mass of the flask to be 25.631 g. He finds the mass of the flask filled with sodium hydroxide solution is 36.138 g.
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A buffer contains 0.1500 M KNO2 and 0.2000 M of HNO2. Describe the pH after the 0.0020 mol of HCL is added to the 250 ml of this solution.(Assume there are no volume changes when the acid is added.)
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