A. Molar mass of an Element = Atomic mass of the Element Molar mass of a Compound = Molecular mass of the Compound Element Atomic Mass Molar Mass 12.01 g/mol 23.0 g/mol Examples: 12.01 amu Na 23.0 amu Examples: Compound Number Molecular Mass Molar Mass of Atoms CO2 C -1 C-1 x 12.01 (atomic mass of C) = 12.01 amu O-2 O-2x 16.00 (atomic mass of O) = 32.00 amu 44.01 g/mol %3D 44.01 amu Pt 1 x 195.08 195.08 amu CI - 2 x 35.45 = N-2 x 14.01 = 28.02 amu H-6 x 1.01 Pt - 1 CI - 2 PIC2(NH3)2 70.9 amu N-2 300.06g g/mol H-6 6.06 amu Total 300.06 amu
States of Matter
The substance that constitutes everything in the universe is known as matter. Matter comprises atoms which in turn are composed of electrons, protons, and neutrons. Different atoms combine together to give rise to molecules that act as a foundation for all kinds of substances. There are five states of matter based on their energies of attraction, namely solid, liquid, gases, plasma, and BEC (Bose-Einstein condensates).
Chemical Reactions and Equations
When a chemical species is transformed into another chemical species it is said to have undergone a chemical reaction. It consists of breaking existing bonds and forming new bonds by changing the position of electrons. These reactions are best explained using a chemical equation.
![A. Molar mass of an Element = Atomic mass of the Element
Molar mass of a Compound = Molecular mass of the Compound
Element
Atomic Mass
Molar Mass
12.01 g/mol
23.0 g/mol
Examples:
C
12.01 amu
Na
23.0 amu
Examples:
Compound
Number
Molecular Mass
Molar Mass
of Atoms
CO2
C -1
C-1x 12.01 (atomic mass of C)
12.01 amu
%3D
O-2
O-2x16.00 (atomic mass of O) = 32.00 amu
44.01 g/mol
44.01 amu
Pt 1 x 195.08 = 195.08 amu
CI - 2 x 35.45 = 70.9 amu
= 28.02 amu
6.06 amu
Pt 1
CI- 2
PIC2(NH3)2
N-2
N-2 x 14.01
300.06g g/mol
H-6
H-6x 1.01
%3D
Total
300.06 amu](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F5e2c145a-7881-4b67-a330-f5c2df119c3d%2F131764fe-af72-4420-a440-dba783e5459a%2F25dqa1e_processed.jpeg&w=3840&q=75)
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