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0.100 mol の酢酸と 0.100 mol の酢酸ナトリウムを含む緩衝液 100 mL がある。この溶液に 1.00 mol dm -3 の水酸化ナトリ...

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0.100 mol の酢酸と 0.100 mol の酢酸ナトリウムを含む緩衝液 100 mL がある。この溶液に 1.00 mol dm-3 の水酸化ナトリウム水溶液を 10.0 mL 加えたときの pH を答えなさい。ただし,酢酸の pKa4.75であり、溶液の活量係数は1.0としてよいとする

There is a solution (100 mL) which contains acetic acid (0.100 mol) and sodium acetate (0.100 mol). To the solution, 10.0 mL of sodium hydroxide (1.00 mol dm-3) was added. Answer the pH of the solution. Acid constant of acetic acid is pKa = 4.75, and activity coefficient can be treated as 1.0.

 

 

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