Nature, Concentration, and Volume of Solutions (HSC SSCE Chemistry): Flashcards

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Nature, Concentration, and Volume of Solutions
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Solution definition

Homogeneous mixture where solute dissolves completely in solvent

Solute definition

Substance that gets dissolved (usually present in smaller amount)

Solvent definition

Substance that does dissolving (usually present in larger amount)

How ionic substances dissolve in water

Break apart into individual positive and negative ions

%(w/v)\%(\text{w}/\text{v}) meaning

Mass of solute per 100 mL100\text{ mL} of solution

%(v/v)\%(\text{v}/\text{v}) meaning

Volume of solute per 100 mL100\text{ mL} of solution

ppm (parts per million) meaning

Grams of solute per million grams of solution

Dilute solution characteristic

Contains relatively low concentration of solute

Pipette/burette/volumetric flask accuracy

±0.2%\pm 0.2\% to ±0.5%\pm 0.5\% (high precision)

How to read meniscus correctly

Read from bottom of meniscus at eye level

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