I need help with #5 1. Determine the mass of CaCl2:2H2O (MW 147.02 g/mole) to weigh out using a four-place analytical balance to prepare 100 mL of a 0.1005 M solution of Ca²*.2. Determine the mass of KCI to weigh out using a four-place analytical balance toprepare 100 mL of a 1 M solution of KCI (MW 74.5513 g/mole).3. Record the solubility of calcium carbonate in water (mg/L) in your notebook.4. Calculate the amount of calcium carbonate (mg) not in solution if a tablet isdissolved in 250 mL of water and the tablet's label claim is 600 mg calcium / tablet.The source of calcium in the tablet to be analyzed is calcium carbonate (CaCO3). Calcium, asthe Ca+2 ion, must be solution to accurately quantitate the (mg calcium / tablet) using an ISE.5. What could be added to a solution to increase the solubility of CaCO3 in water?6. Write the net ionic equation for calcium carbonate in acidified water.

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5. What could be added to a solution to increase the solubility of CaCO3 in water?

Introductory Chemistry For Today

8th Edition

ISBN:9781285644561

Author:Seager

Publisher:Seager

Chapter7: Solutions And Colloids

Section: Chapter Questions

Problem 7.35E

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Question

I need help with #5

1. Determine the mass of CaCl2:2H2O (MW 147.02 g/mole) to weigh out using a four-
place analytical balance to prepare 100 mL of a 0.1005 M solution of Ca²*.
2. Determine the mass of KCI to weigh out using a four-place analytical balance to
prepare 100 mL of a 1 M solution of KCI (MW 74.5513 g/mole).
3. Record the solubility of calcium carbonate in water (mg/L) in your notebook.
4. Calculate the amount of calcium carbonate (mg) not in solution if a tablet is
dissolved in 250 mL of water and the tablet's label claim is 600 mg calcium / tablet.
The source of calcium in the tablet to be analyzed is calcium carbonate (CaCO3). Calcium, as
the Ca+2 ion, must be solution to accurately quantitate the (mg calcium / tablet) using an ISE.
5. What could be added to a solution to increase the solubility of CaCO3 in water?
6. Write the net ionic equation for calcium carbonate in acidified water.

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