C2.1.2 - Empirical Formula Flashcards
1
Q
What is an empirical formula?
A
An empirical formula is the fully simplified version of an actual formula (ratio)
2
Q
How do you simplify formulae into the empirical formula?
A
You divide by the highest common factor
3
Q
What is the advantage of writing an empirical formula?
A
It is easier to understand
It is easier to write down
It gives you a ratio
4
Q
What are the disadvantages of the empirical formula?
A
It isn’t as accurate
5
Q
How do you work out the relative formula mass from an equation?
A
You do the equation again, except substituting the terms for their relative mass
6
Q
Simplify C4H10
A
C2H5
