Concentrations of Solutions (OCR GCSE Chemistry A (Gateway Science Suite)): Quizzes

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Concentrations of Solutions
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What does concentration tell us about a solution?

How much solute is in a volume of solvent

Which solution has more solute in it?

A solution with high concentration

What unit is concentration usually measured in?

g/dm3g/dm^3

How many cm3cm^3 are equal to 1dm31 dm^3?

1000 cm3cm^3

What is the formula for concentration in g/dm3g/dm^3?

MassVolume\frac{Mass}{Volume}

What is the concentration if 25g25g of NaClNaCl is dissolved in 1dm31 dm^3 of water?

25g/dm325 g/dm^3

What is the formula for concentration using moles?

MolesVolume\frac{Moles}{Volume}

What is the concentration if 0.5mol0.5 mol of NaClNaCl is dissolved in 2dm32 dm^3 of water?

0.25mol/dm30.25 mol/dm^3

When should you use g/dm3g/dm^3 to measure concentration?

When mass of solute is known

When should you use mol/dm3mol/dm^3 for concentration?

When amount in moles is known

Explore OCR GCSE Chemistry A (Gateway Science Suite) Revision Notes by Topics

Measurement, Mass & Equations

Calculating Mass of Substances

Yield & Atom Economy

Concentration of Solutions

Amount of Substance & Gas Volume

Explore OCR GCSE Chemistry A (Gateway Science Suite) Model Answers by Topics

Measurement, Mass & Equations

Calculating Mass of Substances

Yield & Atom Economy

Concentration of Solutions

Amount of Substance & Gas Volume

Explore OCR GCSE Chemistry A (Gateway Science Suite) Flashcards by Topics

Measurement, Mass & Equations

Calculating Mass of Substances

Yield & Atom Economy

Concentration of Solutions

Amount of Substance & Gas Volume

Explore OCR GCSE Chemistry A (Gateway Science Suite) Exam Questions by Topics

Measurement, Mass & Equations

Calculating Mass of Substances

Yield & Atom Economy

Concentration of Solutions

Amount of Substance & Gas Volume

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