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Ch.4 - Chemical Quantities & Aqueous Reactions
All textbooksTro 4th EditionCh.4 - Chemical Quantities & Aqueous ReactionsProblem 72
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Chapter 4, Problem 72

Classify each compound as a strong electrolyte or nonelectrolyte. a. MgBr2 b. C12H22O11 c. Na2CO3 d. KOH

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Key Concepts

Here are the essential concepts you must grasp in order to answer the question correctly.

Electrolytes

Electrolytes are substances that dissociate into ions when dissolved in water, allowing the solution to conduct electricity. They can be classified as strong electrolytes, which completely ionize in solution, or weak electrolytes, which only partially ionize. Understanding the behavior of electrolytes is crucial for predicting the conductivity of solutions.
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Strong Electrolytes

Strong electrolytes are compounds that fully dissociate into their constituent ions in an aqueous solution. Common examples include soluble salts like sodium chloride (NaCl) and strong bases like potassium hydroxide (KOH). Identifying strong electrolytes is essential for classifying compounds based on their ability to conduct electricity in solution.
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Nonelectrolytes

Nonelectrolytes are substances that do not dissociate into ions in solution and therefore do not conduct electricity. Examples include sugars like sucrose (C12H22O11) and alcohols. Recognizing nonelectrolytes is important for understanding the properties of solutions and their behavior in chemical reactions.
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Related Practice
Textbook Question

A 25.0-mL sample of a 1.20 M potassium chloride solution is mixed with 15.0 mL of a 0.900 M lead(II) nitrate solution and this precipitation reaction occurs: 2 KCl(aq) + Pb(NO3)2(aq) → PbCl2(s) + 2 KNO3(aq) The solid PbCl2 is collected, dried, and found to have a mass of 2.45 g. Determine the the percent yield.

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Textbook Question

A 55.0-mL sample of a 0.102 M potassium sulfate solution is mixed with 35.0 mL of a 0.114 M lead(II) acetate solution and this precipitation reaction occurs: K2SO4(aq) + Pb(C2H3O2)2(aq) → 2 KC2H3O2(aq) + PbSO4(s) The solid PbSO4 is collected, dried, and found to have a mass of 1.01 g. Determine the limiting reactant, theoretical yield, percent yield.

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Textbook Question

For each compound (all water soluble), would you expect the resulting aqueous solution to conduct electrical current? a. CsCl b. CH3OH c. Ca(NO2)2 d. C6H12O6

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Textbook Question

Determine whether each compound is soluble or insoluble. If the compound is soluble, list the ions present in solution. a. AgNO3 b. Pb(C2H3O2)2 c. KNO3 d. (NH4)2S

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Textbook Question

Determine whether each compound is soluble or insoluble. If the compound is soluble, list the ions present in solution. a. AgI b. Cu3(PO4)2 c. CoCO3 d. K3PO4

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Open Question
Complete and balance the following equation. If no reaction occurs, write “NO REACTION.” NaOH(aq) + FeCl3(aq) → ?