Module 2: Introduction to Quantitative Chemistry Study guides, Class notes & Summaries
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Module 2: Introduction To Quantitative Chemistry SOLUTION 2024 EDITION GUARANTEED GRADE A+
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chemical reaction 
the process by which one or more substances change to produce one or more different substances 
Stoichiometry 
The calculation of quantities in chemical reactions 
QQR method 
(Quantity, quantity, ratio) is the link between maths and science. The ratio of calculation/measurement = the 1st quantity DIVIDED BY the 2nd quantity. 
Density 
mass/volume 
quantitiative 
results reported in NUMBERS 
data can be counted and analyzed by descriptive or inferential statistics 
Qualititive...
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Module 2: Introduction to Quantitative Chemistry LATEST EDITION 2024 GUARANTEED GRADE A+
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Define mole 
A unit of measuremnt 
 
1 mol is 6.022 X 10⁻²³ particles. 
 
The amount of substance that contains the same number of fundamental particles as there are atoms in 12g of carbon-12. 
Avagadro's Constant 
6.022 X 10⁻²³ 
Mole formula (Avogadro's constant) 
n = Number of particles / Avogadro's constant 
mass-mole formula 
n = m / MM 
 
m = n X MM 
Percentage composition (of element in compound) 
(mass of element in 1 mol of the compound / Molar mass of the compound) X 100 
Con...