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7. A student performed an acid-base titration in the lab and recorded the results as shown below. Look very carefully at the results and answer the questions which follow. 演定結果 HCI→2Nacl+ Co + HO. 演定 終結演定管讀數(cm) 開始演定管讀數(cm) 所需演定劑的體積 (cm) BC 5.40 21.40 15.40 1. 2. 36.7 34.40 27.40 12.00 12.30 12.00 (1.5 1200 t1200 tll5 所間演定劑的不均體積。 標 0.025/M 25 2010 (a) Why do we perform acid-base titrations in our labs? (b) In the titration performed by the student, what was the net ionic equation for the chemical reaction occurring? (c) List all the wrong things that the student did when writing the report on his titration experiment.

7. A student performed an acid-base titration in the lab and recorded the results as shown below. Look very carefully at the results and answer the questions which follow. 演定結果 HCI→2Nacl+ Co + HO. 演定 終結演定管讀數(cm) 開始演定管讀數(cm) 所需演定劑的體積 (cm) BC 5.40 21.40 15.40 1. 2. 36.7 34.40 27.40 12.00 12.30 12.00 (1.5 1200 t1200 tll5 所間演定劑的不均體積。 標 0.025/M 25 2010 (a) Why do we perform acid-base titrations in our labs? (b) In the titration performed by the student, what was the net ionic equation for the chemical reaction occurring? (c) List all the wrong things that the student did when writing the report on his titration experiment.

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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7. A student performed an acid-base titration in the lab and recorded the results as shown below. Look very carefully at the results and answer the questions which follow. 演定結果 Nasco +2HC1 →Naclt Ca t H20 試験 流定 終結演定管讀數(cm) 開始演定管讀數(em) 所需演定劑的體積 (cm) 15.40 27.40 15,40 12.00 34.40 27.40 12,00 36 12.30 (1.5 1200 1200 tll5 3. 所間滴定劑的平均體積- 標 0.025/M 25 f 2010 (a) Why do we perform acid-base titrations in our labs? (b) In the titration performed by the student, what was the net ionic equation for the chemical reaction occurring? (c) List all the wrong things that the student did when writing the report on his titration experiment. (d) What good thing did this student do?
Transcribed Image Text:7. A student performed an acid-base titration in the lab and recorded the results as shown below. Look very carefully at the results and answer the questions which follow. 演定結果 Nasco +2HC1 →Naclt Ca t H20 試験 流定 終結演定管讀數(cm) 開始演定管讀數(em) 所需演定劑的體積 (cm) 15.40 27.40 15,40 12.00 34.40 27.40 12,00 36 12.30 (1.5 1200 1200 tll5 3. 所間滴定劑的平均體積- 標 0.025/M 25 f 2010 (a) Why do we perform acid-base titrations in our labs? (b) In the titration performed by the student, what was the net ionic equation for the chemical reaction occurring? (c) List all the wrong things that the student did when writing the report on his titration experiment. (d) What good thing did this student do?
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