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BBS C2 Quantitative Chemistry
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What is the relative atomic mass of an element?
It is the mass number of that element
N = 14
H = 1
O = 16
How do you calculate the relative formula mass of a substance?
Add the relative atomic mass or each atom together
How do you calculate the percentage mass of an element in a compound?
What is the theoretical yield of a reaction?
The maximum mass of product, when all reactants react
What is the actual yield in a chemical reaction?
The mass of product you actually get!
How do you work out the percentage yield in a chemical reaction?
Why are yields less than 100%
Incomplete reactions
Unwanted reactions
Products lost on transfer
What is the empirical formula for the following:
C
2
H
6
CH
3
Remember you just simplify the numbers as low as they will go
Author
across2015
ID
331746
Card Set
BBS C2 Quantitative Chemistry
Description
BBS C2 Quantitative Chemistry
Updated
2017-05-25T14:09:40Z
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