3.1.2 Amount of Substance

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7 Terms

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Number of particles = Avogadro’s Number x Number of Moles

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Moles = Mass/Mr

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Moles = Conc (moldm-³x Volume (dm³)

Remember cm³ to dm³ = 0.001 dm³

to work out = divide by 1000

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Ideal Gas Equation =

pV = nRT

p = pressure = (Pa)

V = volume = (m³)

n = moles (mol)

R = gas constant (8.31JK-1mol-1)

T = temperature (K)

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