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Moles
Moles are a number
Protons and neutrons weigh 1/6 x 10²³ grams
Moles: worked examples
Examples of mole questions in chemistry
Working out empirical formula
Moles of ideal gases = 24 litres
Remember a mole of an ideal gas = 24 litres volume at RTP
The definition of an ideal gas
Examples of moles of gases
Be careful with moles
Moles and maths
Maths percentages

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Moles and maths

The only difficult thing about moles is the maths and in chemistry there are only two important issues:

Maths equations
Maths percentages

Maths equations

Equations must balance out

Whatever is done to one side of an equation must be done to the other — Whatever you do to one side of an equation you must do to the other.

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