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3. A chemistry student is doing a titration lab in D314 and needs to make up 2 liters of NaOH for the class and standardize the NaOH with the organic acid KHP (MW 204.2 g/ mol). The instructions say 5 grams/ liter of NaOH pellets which is ~ 0.1 M by the molar mass of NaOH. The student weighs out~ 10 grams of NaOH and dissolves it in 2 liters of water. The student then weighs out 0.4120 g of KHP and puts the organic acid in 50 mL of water and adds ~ 3 drops of 1% phenolphthalein indicator. To reach the endpoint (pink) where moles KHP are used up with NaOH, he adds 17.5 mL of the NaOH from the I N

3. A chemistry student is doing a titration lab in D314 and needs to make up 2 liters of NaOH for the class and standardize the NaOH with the organic acid KHP (MW 204.2 g/ mol). The instructions say 5 grams/ liter of NaOH pellets which is ~ 0.1 M by the molar mass of NaOH. The student weighs out~ 10 grams of NaOH and dissolves it in 2 liters of water. The student then weighs out 0.4120 g of KHP and puts the organic acid in 50 mL of water and adds ~ 3 drops of 1% phenolphthalein indicator. To reach the endpoint (pink) where moles KHP are used up with NaOH, he adds 17.5 mL of the NaOH from the I N

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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2 3. A chemistry student is doing a titration lab in D314 and needs to make up 2 liters of NaOH for the class and standardize the NaOH with the organic acid KHP (MW 204.2 g/ mol). The instructions say 5 grams/ liter of NaOH pellets which is ~ 0.1 M by the molar mass of NaOH. The student weighs out~ 10 grams of NaOH and dissolves it in 2 liters of water. The student then weighs out 0.4120 g of KHP and puts the organic acid in ~ 50 mL of water and adds ~ 3 drops of 1% phenolphthalein indicator. To reach the endpoint (pink) where moles KHP are used up with NaOH, he adds 17.5 mL of the NaOH from the @ 2 W S X #3 E D $ 4 C Stv ♫ R F % 5 V T A G MacBook Pro 6 Y B & 7 H U N * 00 8 ( 9 J 1 M
Transcribed Image Text:2 3. A chemistry student is doing a titration lab in D314 and needs to make up 2 liters of NaOH for the class and standardize the NaOH with the organic acid KHP (MW 204.2 g/ mol). The instructions say 5 grams/ liter of NaOH pellets which is ~ 0.1 M by the molar mass of NaOH. The student weighs out~ 10 grams of NaOH and dissolves it in 2 liters of water. The student then weighs out 0.4120 g of KHP and puts the organic acid in ~ 50 mL of water and adds ~ 3 drops of 1% phenolphthalein indicator. To reach the endpoint (pink) where moles KHP are used up with NaOH, he adds 17.5 mL of the NaOH from the @ 2 W S X #3 E D $ 4 C Stv ♫ R F % 5 V T A G MacBook Pro 6 Y B & 7 H U N * 00 8 ( 9 J 1 M
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