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ChemistryChemistry In Focus7th Edition
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Determine the number of each type of atom in each chemical formula: a . Na 2 O b . CF 2 Cl 2 c . K 2 CO 3 d . Mg ( HCO 3 ) 2

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Chemistry In Focus

7th Edition
Tro + 1 other
Publisher: Cengage Learning,
ISBN: 9781337399692

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Problem 4.1YT
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Problem 4.5YT
Problem 4.6YT
Problem 4.7YT
Problem 4.8YT
Problem 4.9YT
Problem 4.10YT
Problem 4.11YT
Problem 1SC
Problem 2SC
Problem 3SC
Problem 4SC
Problem 5SC
Problem 6SC
Problem 1E
Problem 2E
Problem 3E
Problem 4E
Problem 5E
Problem 6E
Problem 7E
Problem 8E
Problem 9E
Problem 10E
Problem 11E
Problem 12E
Problem 13E
Problem 14E
Problem 15E
Problem 16E
Problem 17E
Problem 18E
Problem 19E
Problem 20E
Problem 21E
Problem 22E
Problem 23E
Problem 24E
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Problem 27E
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Problem 30E
Problem 31E
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Problem 35E
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Problem 43E
Problem 44E
Problem 45E
Problem 46E
Problem 47E
Problem 48E
Problem 49E
Problem 50E
Problem 51E
Problem 52E
Problem 53E
Problem 54E
Problem 55E
Problem 56E
Problem 57E
Problem 58E
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Problem 60E
Problem 61E
Problem 62E
Problem 63E
Problem 64E
Problem 65E
BuyFindarrow_forward

Chemistry In Focus

7th Edition
Tro + 1 other
Publisher: Cengage Learning,
ISBN: 9781337399692
Chapter 4, Problem 18E
Textbook Problem
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Determine the number of each type of atom in each chemical formula:

a .  Na 2 O b .  CF 2 Cl 2 c .  K 2 CO 3 d .  Mg ( HCO 3 ) 2

Interpretation Introduction

Interpretation:

The number of each type of atom in the given chemical formula is to be determined.

Concept introduction:

A compound is represented by a chemical formula, which gives information about the elements present in that compound, and the relative number of atoms contained in that compound.

In a compound, the atoms are present in fixed proportions, to represent which, a chemical formula is used.

Explanation of Solution

a) Na2O

Sodium oxide (Na2O) is an ionic compound of two metal atoms (sodium) and one non-metal atom (oxygen). “Na” acts as the cation and “O” acts as the anion. The electron transfers between the cations and anion result in the formation of an ionic bond between the atoms.

Therefore, the compound contains two sodium atoms and one oxygen atom.

b) CF2Cl2

The compound dichlorodifluoromethane (CF2Cl2) contains three different types of atoms bonded together. It is a Freon, used as a refrigerant, and contains one carbon, two fluorine, and two chlorine atoms bonded together.

Therefore, the compound contains one carbon atom, two fluorine atoms, and two chlorine atoms

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