# Problem: How much sodium lactate NaC3H3O3, should be added to 583.58 mL of a 0.473 M lactic acid, HC3H3O3, solution to make a buffer of pH 4.08? (assume any change in volume is insignificant and that  the pKa is rounded to two significant figures) a. 6.986 grams b. 1.157 grams c. 127.4 grams d. 17.89 grams e. 51.59 grams

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How much sodium lactate NaC3H3O3, should be added to 583.58 mL of a 0.473 M lactic acid, HC3H3O3, solution to make a buffer of pH 4.08? (assume any change in volume is insignificant and that  the pKa is rounded to two significant figures)

a. 6.986 grams

b. 1.157 grams

c. 127.4 grams

d. 17.89 grams

e. 51.59 grams

What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Buffer concept. You can view video lessons to learn Buffer. Or if you need more Buffer practice, you can also practice Buffer practice problems.

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