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  3. 3. calculate the ph of a buffer solution made by a

3. Calculate the pH of a buffer solution made by adding 25.5 g of NaCH3CO2 (MW:82.034g/mol),...

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Chemistry

3. Calculate the pH of a buffer solution made by adding 25.5 gof NaCH3CO2 (MW:82.034g/mol), and 0.550M HCH3CO2 (Ka=1.8x10-5) tomake 500 mL of the buffer. a. Identify the acid and the base (writethe formula and the ID next to it) b. Will Na+ affect the pH of thesolution? Why? c. What is your prediction for the calculated pHcompared to the pKa of the sample? Why? d. What is the pH of thesolution? Was your prediction correct?

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4.3 Ratings (547 Votes)
The pH of a buffer is determined by two factors1 Ka of the weak acid and2 Ratio of weak base A to weak acid HA insolution1 Ka tells us what proportion of HA will    See Answer
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