maths - Crunch Chemistry

Finding the formula of a hydrated salt

Finding the formula of a hydrated salt is no different than determining the empirical formula of any other compound –

Limiting reactant problems follow on directly from reacting mass calculations. In these questions, you have to figure out which reactant

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

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