Chemistry: Matter and Change
Chemistry: Matter and Change
1st Edition
ISBN: 9780078746376
Author: Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom
Publisher: Glencoe/McGraw-Hill School Pub Co
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Group 14 Elements
The following elements come under group 14 of the periodic table.
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Chapter 14, Problem 7STP
Interpretation Introduction

Interpretation:

Thecorrect chemical formula should be determined

Concept introduction:

Ionic compound: Ionic compounds are formed between oppositely charged ions. Ionic bond can be expressed by electrostatic force which holds oppositely charged particles together in an ionic compound. Ionic compounds give ions in the aqueous solution.

Expert Solution & Answer
Check Mark

Answer to Problem 7STP

Answer is D. The correct chemical formula for the ionic compound formed by the calcium ion (Ca2+) and acetate ion (C2H3O2-) is Ca(C2H3O2)2.

Ionic charge plays an important role in the formation of ionic compounds. Calcium has the electron configuration [Ar] 4s2, and needs to lose two electrons to attain the stable configuration of argon to form Ca2+ ion. Ca2+ ion is a bivalent cation whereas acetate ion (C2H3O2-) is monovalent one. Ca2+ion needs two acetate ions to complete its valency to make a neutral ionic compound, because the number of electrons lost and gained must be equal, two fluorine atoms are needed to accept the two electrons lost from the calcium atom.

The chemical formula of the ionic compound is Ca(C2H3O2)2.

Reasons for incorrect options:

As, Ca2+ ion is a bivalent cation whereas acetate ion (C2H3O2-) is monovalent one. Ca2+ion needs two acetate ions to complete its valency to make a neutral ionic compound.

Answer is D. The correct chemical formula for the ionic compound formed by the calcium ion (Ca2+) and acetate ion (C2H3O2-) is Ca(C2H3O2)2.

That means other options that is,

A. CaC2H3O2

B. CaC4H6O3

C. (Ca)2C2H3O2are found to be incorrect.

Explanation of Solution

Ionic charge plays an important role in the formation of ionic compounds. Calcium has the electron configuration [Ar] 4s2, and needs to lose two electrons to attain the stable configuration of argon to form Ca2+ ion. Ca2+ ion is a bivalent cation whereas acetate ion (C2H3O2-) is monovalent one. Ca2+ion needs two acetate ions to complete its valency to make a neutral ionic compound, because the number of electrons lost and gained must be equal, two fluorine atoms are needed to accept the two electrons lost from the calcium atom.

The chemical formula of the ionic compound is Ca(C2H3O2)2.

Conclusion

Reasons for incorrect options:

As, Ca2+ ion is a bivalent cation whereas acetate ion (C2H3O2-) is monovalent one. Ca2+ion needs two acetate ions to complete its valency to make a neutral ionic compound.

Answer is D. The correct chemical formula for the ionic compound formed by the calcium ion (Ca2+) and acetate ion (C2H3O2-) is Ca(C2H3O2)2.

That means other options that is,

A. CaC2H3O2

B. CaC4H6O3

C. (Ca)2C2H3O2are found to be incorrect.

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Chapter 14, Problem 6STP
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Chapter 14, Problem 8STP

Chapter 14 Solutions

Chemistry: Matter and Change

Ch. 14.1 - Prob. 1SSCCh. 14.1 - Prob. 2SSCCh. 14.1 - Prob. 3SSCCh. 14.1 - Prob. 4SSCCh. 14.1 - Prob. 5SSCCh. 14.1 - Prob. 6SSCCh. 14.1 - Prob. 7SSCCh. 14.1 - Prob. 8SSCCh. 14.2 - Prob. 9PPCh. 14.2 - Prob. 10PP
Ch. 14.2 - Prob. 11PPCh. 14.2 - Prob. 12PPCh. 14.2 - Prob. 13PPCh. 14.2 - Prob. 14PPCh. 14.2 - Prob. 15PPCh. 14.2 - Prob. 16PPCh. 14.2 - Prob. 17PPCh. 14.2 - Prob. 18PPCh. 14.2 - Prob. 19PPCh. 14.2 - Prob. 20PPCh. 14.2 - Prob. 21PPCh. 14.2 - Prob. 22PPCh. 14.2 - Prob. 23PPCh. 14.2 - Prob. 24PPCh. 14.2 - Prob. 25PPCh. 14.2 - Prob. 26PPCh. 14.2 - Prob. 27PPCh. 14.2 - Prob. 28PPCh. 14.2 - Prob. 29PPCh. 14.2 - Prob. 30PPCh. 14.2 - Prob. 31SSCCh. 14.2 - Prob. 32SSCCh. 14.2 - Prob. 33SSCCh. 14.2 - Prob. 34SSCCh. 14.2 - Prob. 35SSCCh. 14.3 - Prob. 36PPCh. 14.3 - Prob. 37PPCh. 14.3 - Prob. 38PPCh. 14.3 - Prob. 39SSCCh. 14.3 - Prob. 40SSCCh. 14.3 - Prob. 41SSCCh. 14.3 - Prob. 42SSCCh. 14.3 - Prob. 43SSCCh. 14.3 - Prob. 44SSCCh. 14.4 - Prob. 45PPCh. 14.4 - Prob. 46PPCh. 14.4 - Prob. 47PPCh. 14.4 - Prob. 48SSCCh. 14.4 - Prob. 49SSCCh. 14.4 - Prob. 50SSCCh. 14.4 - Prob. 51SSCCh. 14.4 - Prob. 52SSCCh. 14.4 - Prob. 53SSCCh. 14 - Prob. 54ACh. 14 - What is the difference between a solute and a...Ch. 14 - Prob. 56ACh. 14 - Prob. 57ACh. 14 - Prob. 58ACh. 14 - Prob. 59ACh. 14 - Prob. 60ACh. 14 - Prob. 61ACh. 14 - Prob. 62ACh. 14 - Prob. 63ACh. 14 - Prob. 64ACh. 14 - How do 0.5M and 2.0M aqueous solutions of NaCl...Ch. 14 - Prob. 66ACh. 14 - Prob. 67ACh. 14 - Prob. 68ACh. 14 - Prob. 69ACh. 14 - Prob. 70ACh. 14 - Prob. 71ACh. 14 - Prob. 72ACh. 14 - Prob. 73ACh. 14 - How much CaCl2 , in grams, is needed to make 2.0 L...Ch. 14 - Stock solutions of HCl with various molarities are...Ch. 14 - Prob. 76ACh. 14 - Prob. 77ACh. 14 - Prob. 78ACh. 14 - If you dilute 20.0 mL of a 3.5M solution to...Ch. 14 - Prob. 80ACh. 14 - Prob. 81ACh. 14 - Prob. 82ACh. 14 - Prob. 83ACh. 14 - What is the mole fraction of H 2 S O 4 in a...Ch. 14 - Prob. 85ACh. 14 - Prob. 86ACh. 14 - Prob. 87ACh. 14 - Prob. 88ACh. 14 - Prob. 89ACh. 14 - Prob. 90ACh. 14 - Prob. 91ACh. 14 - Prob. 92ACh. 14 - Prob. 93ACh. 14 - Prob. 94ACh. 14 - Prob. 95ACh. 14 - Prob. 96ACh. 14 - Prob. 97ACh. 14 - Prob. 98ACh. 14 - Prob. 99ACh. 14 - In the lab, you dissolve 179 g of MgCl2 into1.00 L...Ch. 14 - Cooking A cook prepares a solution for boiling by...Ch. 14 - Prob. 102ACh. 14 - Ice Cream A rock salt (NaCl), ice, and water...Ch. 14 - Apply your knowledge of polarity and solubility...Ch. 14 - Prob. 105ACh. 14 - Which solute has the greatest effect on the...Ch. 14 - Study Table 14.4. Analyze solubility and...Ch. 14 - Prob. 108ACh. 14 - If you prepared a saturated aqueous solution of...Ch. 14 - How many grams of calcium nitrate (Ca(NO3)2)...Ch. 14 - Prob. 111ACh. 14 - Prob. 112ACh. 14 - Prob. 113ACh. 14 - Prob. 114ACh. 14 - Infer Dehydration occurs when more fluid is lost...Ch. 14 - Graph Table 14.10 shows solubility data that was...Ch. 14 - Design an Experiment You are given a sample of a...Ch. 14 - Compare Which of the following solutions has...Ch. 14 - Prob. 119ACh. 14 - Prob. 120ACh. 14 - Prob. 121ACh. 14 - Prob. 122ACh. 14 - Prob. 123ACh. 14 - Prob. 124ACh. 14 - Prob. 125ACh. 14 - Prob. 126ACh. 14 - Prob. 127ACh. 14 - Prob. 128ACh. 14 - Prob. 129ACh. 14 - Prob. 1STPCh. 14 - Prob. 2STPCh. 14 - Prob. 3STPCh. 14 - Prob. 4STPCh. 14 - Prob. 5STPCh. 14 - Prob. 6STPCh. 14 - Prob. 7STPCh. 14 - Prob. 8STPCh. 14 - Prob. 9STPCh. 14 - Prob. 10STPCh. 14 - Prob. 11STPCh. 14 - Prob. 12STPCh. 14 - Prob. 13STPCh. 14 - Prob. 14STPCh. 14 - Prob. 15STPCh. 14 - Prob. 16STPCh. 14 - Prob. 17STPCh. 14 - Prob. 18STPCh. 14 - Prob. 19STP

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