# Moles

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- Created by: Sumera
- Created on: 21-09-13 19:41

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- Moles
- Solids
- n= m / Mr
- Mr is the large number on the periodic table

- n= m / Mr
- Liquids
- n = c x vol
- divide VOLUME by 1000 if it is given in cm cubed

- n = c x vol
- Gases
- n = vol / 24
- 24 000 if the volume is given in cm cubed

- n = vol / 24
- Steps to calculating
- find the moles of WHAT YOU KNOW
- figure out the RATIO e.g if it's 2:1, divide the mole of the substance by 2 to find the mole of the other substance
- using the moles find the UNKNOWN e.g volume of gas, concentration of a solution or mass of a solid

- figure out the RATIO e.g if it's 2:1, divide the mole of the substance by 2 to find the mole of the other substance

- find the moles of WHAT YOU KNOW

- Solids

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