Chemistry
Mole Calculations in Chemistry:
The Unit Label Method
[MULTI-LEVEL]
Wilson Flood
abc
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1
Mole Concept and Stoichiometry
Concept
Mole Concept
Introduction
This is our common experience that when we go to market to buy something, a
few things we always get in definite numbers. For example, eggs we get in a number of
12 which is called a dozen
An Approach to Stoichiometry
It begins with an analogy
analogy
It uses a grid
And it builds
The ACME Trike Co
Co.
The challenge: make 6,000 trikes
Each trike needs:
one frame
three wheels
two handle-bar grips
Suppliers
pp
ship
p in these q
quantities:1
Romain El Sair
Fundamentals of Chemistry Part II
2
Download free eBooks at bookboon.com
Fundamentals of Chemistry Part II
1st edition
2014 Romain El Sair & bookboon.com
ISBN 978-87-403-0746-7
3
Download free eBooks at bookboon.com
Fundamentals of Chemist
Concentration Terms and Calculations
Concentration can be expressed in various ways depending on which form is the most useful for
the given solution. In chemical laboratory, molarity (M) is the most common way to express
concentration. Molarity is define
Chapter 8: Reaction Stoichiometry
Mole-to-mole ratios and calculations [8.3, 8.4]
Limiting Reagents [8.5, 8.6]
Yields [8.5, 8.6]
CHEM 100 F07
1
Reaction Stoichiometry
For all reactions, we need to do many
calculations:
How much of each starting mater
4.6
Describing Reactions in Solution
The overall or formula equation for this reaction:
K2CrO(aq) Ba(NO3)2(aq)
BaCrO4(s) 2KNO3(aq)
Although the formula equation shows the reactants and
products of the reaction, it does not give a correct picture
of what a
DR RM MAMPA $ Mrs PS RAMARIPA
OFFICES 2006 $ 1009
CONSULTATION TIMES
14H00 17h00
WEEKDAYS
TEST DATES
Tests 1: 19/08 /2016 and Assignment
1 Due date: 16/08/2016
WELCOME TO SCHM012B
2015
Atomic Structure
Introduction
What is an atom?
Atoms contain protons
Name:
CHM 332
FOURTH EXAMINATION
All answers should be written on the exam in the spaces provided. Clearly indicate your
answers in the spaces provided; if I have to guess as to what or where your answer is, it is wrong.
Where applicable, outline the logi