A student wants to make a pH 4.0 buffer solution. She decides to use a buffer made from formic acid and sodium formate (NaCOOH). She adds 50.0 grams…

Published by admin at August 15, 2023

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A student wants to make a pH 4.0 buffer solution. She decides to use a buffer made from formic acid and sodium formate (NaCOOH). She adds 50.0 grams of sodium formate to a 1 L volumetric flask. The Ka of formic acid is 1.77 x 10-4. How many mL of 3.0 M formic acid should she add to the 1 L volumetric flask so that when the flask is diluted to the mark the pH will be 4.00?

A student wants to make a pH 4.0 buffer solution. She decides to use a buffer made from formic acid and sodium formate (NaCOOH). She adds 50.0 grams…

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