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General Chemistry - Standalone boo...

11th Edition
Steven D. Gammon + 7 others
ISBN: 9781305580343

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Chapter
Section
BuyFindarrow_forward

General Chemistry - Standalone boo...

11th Edition
Steven D. Gammon + 7 others
ISBN: 9781305580343
Textbook Problem

An ionic compound has the following composition (by mass): Ca, 30.3%; N, 21.2%; O, 48.5%. What are the formula and name of the compound? Write the Lewis formulas for the ions.

Interpretation Introduction

Interpretation:

The formula, name of the given ionic compound and its Lewis formula for the ions has to be written.

Concept introduction:

Ionic compounds have the tendency to breakup into their positive and negatively charged ions when they are dissolved into solution.

Lewis structure otherwise known as Lewis dot diagrams or electron dot structures that show the bond between atoms and lone pairs of electrons that are present in the molecule. Lewis structure represents each atom and their position in structure using the chemical symbol.  Excess electrons forms the lone pair are given by pair of dots, and are located next to the atom.

Explanation

Let us consider a 100 g sample is converted to moles

30.3gCa×1molCa40.08gCa=0.7559molCa

21.2gN×1molN14.08gN=1.513molN

48.5gO×1molO16.00gO=3.031molO

Divided by 0

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