Somebody answer question 4 for an immediate thumbs up T. Enter d2 as the Name an

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Somebody answer question 4 for an immediate thumbs up

T. Enter d2 as the Name and leave the Units field blank. Click or tap Insert Expression and choose 2nd Derivative(Y,x) as the expression. Select pH as Column Y and Volume as Column X. Click or tap Apply. g. Click or tap the y-axis label, select only the d2 column, and dismiss the box. On the displayed graph of d2 vs. volume, examine the data to determine the volume when the 2nd derivative equals approximately zero. Note: The previous data set is automatically saved. 12. At the direction of your instructor, conduct a third trial. 1. Repeat the necessary steps to conduct a second titration with a new sample of H202 solution. DATA TABLE Trall 20.5 / ? )2ml eavivalanca Pon DATA ANALYSIS 1. Calculate the moles of Mnos used to reach the equivalence point of the reaction for each 2. Use your answer to question 1, along with the balanced redox equation in the introduction, to 3. Calculate the molar concentration of the H202 solution for each trial. 4. The hydrogen peroxide solution that you tested is a commercial product with a concentration trial. calculate the moles of H202 in the sample of solution for each trial. as described on the label of the container, as 3 H20, solution converts to a molarity of 0.88 M. Compare your experimentally determined molarity of H202 to the label description. %. As stated in the introductory remarks, a 3% Advanced Chemistry with Vernier 32-8

Explanation / Answer

Ans:

4. For trial 1, 3% of 15.1 M H2O2 = 3*15.1/100 = 0.453 M

And for trial 2, 3% of 15.5 M H2O2 = 3*15.5/100 = 0.465 M

Therefore, the experimentally determined molarity of H2O2 is almost half of the given molarity (0.88 M).

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