Ch.4 - Chemical Quantities & Aqueous ReactionsWorksheetSee all chapters
All Chapters
Ch.1 - Intro to General Chemistry
Ch.2 - Atoms & Elements
Ch.3 - Chemical Reactions
BONUS: Lab Techniques and Procedures
BONUS: Mathematical Operations and Functions
Ch.4 - Chemical Quantities & Aqueous Reactions
Ch.5 - Gases
Ch.6 - Thermochemistry
Ch.7 - Quantum Mechanics
Ch.8 - Periodic Properties of the Elements
Ch.9 - Bonding & Molecular Structure
Ch.10 - Molecular Shapes & Valence Bond Theory
Ch.11 - Liquids, Solids & Intermolecular Forces
Ch.12 - Solutions
Ch.13 - Chemical Kinetics
Ch.14 - Chemical Equilibrium
Ch.15 - Acid and Base Equilibrium
Ch.16 - Aqueous Equilibrium
Ch. 17 - Chemical Thermodynamics
Ch.18 - Electrochemistry
Ch.19 - Nuclear Chemistry
Ch.20 - Organic Chemistry
Ch.22 - Chemistry of the Nonmetals
Ch.23 - Transition Metals and Coordination Compounds

Solution: What precipitate is most likely formed from a solution containing Ba2+, K+, NO3-, and CO32- ?A) BaCO3B) K2CO3C) KNO3D) Ba(NO3)2

Problem

What precipitate is most likely formed from a solution containing Ba2+, K+, NO3-, and CO32- ?

A) BaCO3

B) K2CO3

C) KNO3

D) Ba(NO3)2

Solution

Establish the solubility rules and determine which pair of ion will produce a precipitate among Ba2+, K+, NO3-, and CO32-

Recall that the Solubility Rules are:

Soluble Ionic Compounds:

Group 1A ions (Li+, Na+, K+, etc.) and Ammoniumion (NH4+) are soluble
▪ 
Nitrates (NO3-), Acetates (CH3COO- or C2H3O2-), and most Perchlorates (ClO4-) are soluble
▪ Cl-Br-, and I- are soluble except when paired with Ag+, Pb2+, Cu+, Hg22+
▪ 
Sulfates (SO42-) are soluble except those of Ca2+, Sr2+, Ba2+, Ag+, and Pb2+

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