Write the balanced net ionic equation for the reactions that occur when the given aqueous solutions are mixed. Include the physical states. A. copper(II) sulfate, CuSO4, and potassium hydroxide, KOH net ionic equation: B. lithium carbonate, Li₂CO3, and aluminum nitrate, Al(NO3)3 net ionic equation: C. sodium phosphate, Na, PO4, and barium chloride, BaCl₂ net ionic equation: B R F V % 5 SPECIAL ΔΣΩ λμπ T G 6 B MacBook Pro Y H Thank & 7 N U J O * 00 8 He I K ( 9 < O L ) O O P 4 ; { [ + 11

Write the balanced net ionic equation for the reactions that occur when the given aqueous solutions are mixed. Include the physical states. A. copper(II) sulfate, CuSO4, and potassium hydroxide, KOH net ionic equation: B. lithium carbonate, Li₂CO3, and aluminum nitrate, Al(NO3)3 net ionic equation: C. sodium phosphate, Na, PO4, and barium chloride, BaCl₂ net ionic equation: B R F V % 5 SPECIAL ΔΣΩ λμπ T G 6 B MacBook Pro Y H Thank & 7 N U J O * 00 8 He I K ( 9 < O L ) O O P 4 ; { [ + 11

Living by Chemistry

2nd Edition

ISBN:9781464142314

Author:Angelica M. Stacy

Publisher:Angelica M. Stacy

ChapterU4: Toxins: Stoichiometry, Solution Chemistry, And Acids And Bases

Section: Chapter Questions

Problem 1STP

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Polychlorinated biphenyls (PCBs) have been used extensively as dielectric materials in electrical transformers. Because PCBs have been shown to be potentially harmful, analysis for their presence in the environment has become very important. PCBs are manufactured according to the following generic reaction: C12H10+nCl2C12H10nCln.+nHCl This reaction results in a mixture of PCB products. The mixture is analyzed by decomposing the PCBs and then precipitating the resulting Cl asAgCl. a. Develop a general equation that relates the average value of n to the mass of a given mixture of PCBs and the mass of AgCl produced. b. A 0.1947-g sample of a commercial PCB yielded 0.4791 g of AgCl. What is the average value of n for this sample?
Many over-the-counter antacid tablets are now formulated using calcium carbonate as the active ingredient, which enables such tablets to also be used as dietary calcium supplements. As an antacid for gastric hyperacidity, calcium carbonate reacts by combining with hydrochloric acid found in the stomach, producing a solution of calcium chloride, converting the stomach acid to water, and releasing carbon dioxide gas (which the person suffering from stomach problems may feel as a “burp”). Write the unbalanced chemical equation for this process.
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