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A useful way to answer oxidation/reduction questions is to remeber the acronym OIL RIG:
Oxidation Is Loss (of electrons)
...
Fractional distillation is covered in almost every GCSE chemistry course, although what you need to know varies slightly by syllabus. The main points to take away are explained below.Why do we do frac...
When faced with this style of problem there are steps to correctly answer the quesion:
Step 1 - identify the atomic mass of carbon
Step 2 - calculat...
A relevant equation is:
mass = moles x relative formula mass
Also written:
m = n*Mr
This reaction is a 1:1 ratio of salicylic acid to...
When approaching a question like this I always find it easier to write out the equation with the known quantities written underneath each individual compound. ...
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