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You are working in a lab and need to make a buffer with a pH =...

You are working in a lab and need to make a buffer with a pH = 5.50. You have 5.00 M NaOH and 5.00 M HCl available. You observe that malonic acid (HO2CCH2CO2H or H2A) has pK1 = 2.847 and pK2 = 5.696. Given the mass of malonic acid needed from the last problem, how many mL of NaOH solution is needed to give a pH of 5.50 in the buffer solution? Assume that you will make 500. mL of the buffer with a total buffer concentration of 0.100 M. Mass of malonic acid = 5.2 grams

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» Naon 2 0-0039L x 10ml 2 3-9 ml Torel volume of woon needed 1000 +3.9 213-9 mi)

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