CHEM 24112 Lecture Notes - Lecture 23: Potassium Carbonate, Barium Nitrate, Potassium Nitrate
29 Jun 2018
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CHEMISTRY 112 – DAY 22 Chapter 8 – Sections 4&5
3/9
MOLAR MASS
Mass in grams of one mole of the substance:
Molar Mass of N = 14.01 g/mol
Molar Mass of H2O = 18.02 g/mol
(2 × 1.008 g) + 16.00 g
Molar Mass of Ba(NO3)2 = 261.35 g/mol
137.33 g + (2 × 14.01 g) + (6 × 16.00 g)
FIND THE MOLAR MASS
Royals – Argon
Cardinals – Gold
I Don’t Care About Baseball – Iron
FIND THE MOLAR MASS
Royals – NaOH
Cardinals – H2O2
I Don’t Care About Baseball – C2F4
FIND THE MOLAR MASS
Royals – Ca(NO3)2
Cardinals – (NH4)3PO4
I Don’t Care About Baseball – Al2(CO3)3
FIND THE MOLAR MASS
Royals – Barium chloride
Cardinals – Sodium oxide
I Don’t Care About Baseball – Aluminum sulfide
What diatomic gas?
Royals – 28.00 g/mol
Cardinals – 70.9 g/mol
I Don’t Care About Baseball – 38.00 g/mol
Calculations Using Molar Mass
Moles of a compound =
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