Amount of Substance (Grade 10 NSC Matric Physical Sciences): Flashcards

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Amount of Substance
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Molar volume at STP

22.4 dm³

STP temperature

273.15 K (0°C)

STP pressure

0.986 atm

Solute

Solid substance dissolved in a liquid

Solvent

Liquid that dissolves the solute (usually water)

Concentration

Amount of solute per volume of solution

Concentration formula

C=nVC = \frac{n}{V}

Concentration units

mol·dm⁻³

1 dm³ in cm³

1000 cm³

Stoichiometry

Calculating quantities in chemical reactions

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