, Author at Crunch Chemistry

Percentage yield calculations

Percentage yield is one of many deciding factors in determining whether or not a reaction is economically viable. It compares

The key to reacting mass calculations at A level is to have a foolproof method for setting them out so

Empirical formula: simplest ratio of the atoms of different elements in a compound Molecular formula: the actual number of each

Factor Name Unit Common examples 106 mega M 103 kilo k kg 10-1 deci d dm 10-2 centi c cm

Atom economy or percentage atom economy is simply a measure of how ‘green’ a chemical process is – it essentially

Rule 1: when adding or subtracting numbers, the answer should be quoted to the least number of decimal places in

Often students arrive at A level knowing how to calculate the number of moles of a substance but with a