Calculating Concentration (VCE SSCE Chemistry): Quizzes

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Calculating Concentration
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What describes a concentrated solution?

High ratio of solute to solvent

What is the formula for concentration in g L1\text{g L}^{-1}?

mass of solute (g)volume of solution (L)\frac{\text{mass of solute (g)}}{\text{volume of solution (L)}}

Why does the ppm formula work using mg and kg?

One million milligrams in one kilogram

What is the TLV for ozone (O3\text{O}_3)?

0.1 ppm0.1 \text{ ppm}

What does a wine labelled 14.5%14.5\% (v/v) contain?

14.5 mL14.5 \text{ mL} alcohol per 100 mL100 \text{ mL} wine

What does 0.9%0.9\% (m/v) saline solution mean?

100 mL100 \text{ mL} solution contains 0.9 g0.9 \text{ g} salt

What does 1 M1 \text{ M} solution contain?

One mole of solute in one litre of solution

What is the formula for molar concentration?

c=nVc = \frac{n}{V}

What happens to solute amount during dilution?

Remains constant

What is the golden rule for diluting acids?

Always add acid to water

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