3.1.2.2-3 - Mole, Avogadro, Ideal gas
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Last updated 7:46 PM on 1/15/25
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7 Terms
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Mole
Unit of measurement of amount of substance
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Avogadro’s constant
6.02 × 10²³ - number of particles in a mole
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Formula for number of particles
Num of particles = Moles * Avogadro’s constant
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Formula for moles
Moles = mass (g) / Mᵣ
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Formula for concentration of solution
Moles = conc. (mol dm⁻³) * volume (dm³)
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Ideal gas equation
pV = nRT
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What does each symbol in ideal gas equation stand for?
p = pressure (Pa)
V = volume (m³)
n = num of moles
R = gas constant
T = temp. (K)
Note 
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