following reaction?  2 HCl (aq) + CaCO3 (s) → b. A forensic chemist prepares 250.0 mL of a 0.514 M solution using 45.0 mL of a stock solution.  What is the concentration of the stock solution? c. In the reaction, K2SO4(aq)  +  Ba(NO3)2(aq)  →  BaSO4(s)  +  2 KNO3(aq), which ions are the spectator ions?

General Chemistry - Standalone book (MindTap Course List)
11th Edition
ISBN:9781305580343
Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Publisher:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Chapter4: Chemical Reactions
Section: Chapter Questions
Problem 4.111QP: A stock solution of potassium dichromate, K2Cr2O7, is made by dissolving 84.5 g of the compound in...
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1. Answer the following:

a. What are the products of the following reaction?  2 HCl (aq) + CaCO(s) →

b. A forensic chemist prepares 250.0 mL of a 0.514 M solution using 45.0 mL of a stock solution.  What is the concentration of the stock solution?

c. In the reaction, K2SO4(aq)  +  Ba(NO3)2(aq)  →  BaSO4(s)  +  2 KNO3(aq), which ions are the spectator ions?

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