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Post Lab 18 - Sara Durham Mr. Babcock Chemistry 130 11...

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Sara DurhamMr. BabcockChemistry 13011 February 2015Post Lab Experiment 181.pH meter2.No, because distilled water is neutral this would not provide an effective buffer.3.The buffer system in A was most effective because, after adding a strong acid and strongbase the change was + or - 0.3 on either side.4a.HCL + NaHCO3----->
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Term
Summer
Professor
Cheublou
Tags
pH, Sara Durham, Post Lab Experiment

Unformatted text preview: H 2 CO 3 + NaCl b. H 2 CO 3 + NaOH ------> NaHCO 3 + H 2 O 5a. 4.75 = 4.75 + log (0.1/0.1) b. 5.75 = 5.75 + log (0.1/0.01) c. 6.37 = 6.37 + log (0.1/0.1) d. 7.37 = 7.37 + log (0.1/0.01) The calculate values were relatively close. Where there were discrepancies most likely is error in the lab preparation....
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