7. Define buffer by a. composition b. properties. What are the expected pHs of t

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7. Define buffer by a. composition b. properties. What are the expected pHs of the following solution of bicarbonate buffer? c. 0.45 M carbonic acid (H2CO3) with 0.45 M sodium bicarbonate (NaHCO3) d. 0. 45 M carbonic acid (H2CO3) with 0.045 M sodium bicarbonate (NaHCO3) 0.045 M carbonic acid (H2CO3) with 0. 45 M sodium bicarbonate (NaHCO3) e. f. 0.86 M carbonic acid (H2COs) with 0.86 M sodium bicarbonate (NaHCO3) g. What are the two characteristics of the best buffers? h. Analyze the four solutions above. Which is best overall buffer, and why?

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7. Define buffer by a. composition b. properties. What are the expected pHs of t

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