Amount of Substance
- Created by: GurpreetS1
- Created on: 31-01-17 09:32
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- Amount of Substance
- The Mole
- One mole contains 6.02x10^23 particles - Avogadro's Constant
- Number of Particles = Number of moles x Avogadro's constant
- Number of moles = mass of substance / Mr
- Number of moles = Concentration (mol dm^-3) x Volume (dm^3)
- pV=nRT
- p = pressure (Pa)
- V = volume (m^3)
- n = number of moles
- R = 8.31 J K^-1 mol^-1
- T = temperature (K)
- One mole contains 6.02x10^23 particles - Avogadro's Constant
- Percentage Yield = (Actual Yield / Theoretical Yield) x100
- Molecular formula of a compound gives the number of atoms of each element in one molecule of the compound
- Empirical formula of a compound gives the simplest whole number ration of atoms of each element in the compound
- Atom Economy = (Mass of desired product / total mass of reactants) x100
- The Mole
- Reasons for being less - Reactants impure, May not go to completion, Some of the product may be left in the container, May be difficult to purify product
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