Transcript – Mole Concept Part 2
In this video, Chemistry Tutor Mr. Joel goes more in depth about the topic of Mole Concept.
This is Part 2.
First formula is: Number of moles=Mass / Mr (Mr refers to the molecular mass of an element or compound)
Second formula is: Number of moles of gas = Volume/ 24 dm3 or Number of moles of gas = Volume / 24 000 cm3
This formula can only be used when gaseous elements are involved.
Third (and last) formula: Number of Moles = Concentration x Volume Concentration ONLY applies to aqueous solutions.
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