Use the table from ion exchange column to answer the following questions:VolumeWater(mL) ofsamplevolume# of dropsindicatorConductivityvaluemols of calcium ion in sample0.03MEDTA(mL)usedFiltered5.4[ Select ]sampleUnfiltered10.6sampleConsider the filtered and unfiltered solutions, which one will you expect to have a lower conductivvalue? [ Select ]And this lower value is due to [Select ]amounts of calcium ions.LO

Ca2+ + EDTA = Ca -EDTA + 2H+ thus 1 mol of EDTA reacts with 1 mol of Ca2+ ion Thus 1000 ml 1 (M)…

Use the table from ion exchange column to answer the following questions: Volume (mL) of Water sample volume (mL) # of drops indicator Conductivity value 0.03M mols of calcium ion in sample EDTA used Filtered [ Select ] 5.4 sample Unfiltered 10.6 sample Consider the filtered and unfiltered solutions, which one will you expect to have a lower conducti value? [ Select ] And this lower value is due to [Select ] amounts of calcium ions.

Use the table from ion exchange column to answer the following questions: Volume (mL) of Water sample volume (mL) # of drops indicator Conductivity value 0.03M mols of calcium ion in sample EDTA used Filtered [ Select ] 5.4 sample Unfiltered 10.6 sample Consider the filtered and unfiltered solutions, which one will you expect to have a lower conducti value? [ Select ] And this lower value is due to [Select ] amounts of calcium ions.

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...

See similar textbooks

Similar questions

Give the proper scientific description of 50x TAE Buffer given the information below. 242 g Tris base 57.1 mL glacial acetic acid 18.61 g disodium EDTA Up to 1L with dI water
please solve question 6, analytical chemistry
Answer the number/group 3 only.
Determine dissociation constant of a WA: given pH of the half-neutralized acid solution is pH=5.1: What is pKa and Ka? What is the unknown weak acid? Also given: NaHSO4 Ka = 1.2 x 10-2 KHC8H4O4 (KHP) Ka = 8.7 x 10-6 for context, earlier part of experiment was the below (may not be needed for problem) Record the pH and the color observed with bromcresol green for each of the 0.1 M solutions that were tested. NaCl Na2CO3 NaC2H3O2 NaHSO4 pH 7 11 8.0 1.9
If 40.0 mL of formic acid with a concentration of 0.300 M and a Ka of (2.258x10^-5) is titrated with 0.300 M lithium hydroxide what is the pH of the solution after 20.00 ml of base has been added? Note: Your answer is assumed to be reduced to the highest power possible.
Complete solution -Buffer Preparation-
None
Please don't provide hand written solution.....
Match with the best answer. bronsted acid bronsted base H2S H2O/OH- molar solubility neutral acid-base indicator H3PO4 ✓[Choose ] proton donor compound that changes color with pH and is used in titrations acid/base conjugate pair diprotic acid pH=pOH solubility of a solid compound in moles/liter proton acceptor triprotic acid [Choose] [Choose ] [Choose ] [Choose ] [Choose ]
Chemistry Need help figuring out the calculations for the stock solution please. Required Reagents 50 mM Tris pH 7.5 buffer Sephadex G-75 or G-100 Sample Protein Mixture (2 mg/ml. blue dextran, 4 mg/mL mystery protein, 0.4 mg/mL DNP- aspsartate) ONPG Note:. You will need at least 400.0 mL so, the 50 mM Tris pH 7.5 buffer that you will make from a 1.0 M stock buffer solution. You will not need to check the pH after diluting the stock solution.
Select ALL the steps you must take (but do not select any steps that are not essential) when you are preparing to do an acid-base titration (for example HCI titrated with NaOH). Select one or more: O a. Check if funnel is in top of burette, and if so, remove it. V b. Check for and, if necessary, remove air bubble from under tap. O c. Adjust liquid level in the burette to exactly 0.0 mL. O d. Remove burette from clamp to fill it with liquid. V e. Add indicator to solution in flask.
Please solve! Thank you for your help!