Moles and Volumes (OCR A-Level Chemistry A): Quizzes

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Moles and Volumes
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How many cm3\text{cm}^3 are in 2.5 dm3\text{dm}^3?

2500 cm3\text{cm}^3

Calculate moles of NaCl in 25.0 cm3\text{cm}^3 of 0.200 mol dm−3\text{mol dm}^{-3} solution.

0.00500 mol

What defines a standard solution?

A solution with precisely known conc.

What volume does 1 mol of any gas occupy at RTP?

24.0 dm3\text{dm}^3

Calculate moles in 720 cm3\text{cm}^3 of a gas at RTP.

0.0300 mol

What is the value of the ideal gas constant RR?

8.314 J mol−1\text{mol}^{-1} K−1\text{K}^{-1}

Convert 27°C to kelvin.

300 K

Convert 150 dm3\text{dm}^3 to m3\text{m}^3 for ideal gas equation.

0.150 m3\text{m}^3

Which assumption applies to ideal gas behaviour?

Molecules have negligible size

When is the ideal gas equation most accurate?

Low pressure, high temperature

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Atoms, Ions and Compounds

Amount of Substance

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Shapes of Molecules and Intermolecular Forces

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Amount of Substance

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Shapes of Molecules and Intermolecular Forces

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Atoms, Ions and Compounds

Amount of Substance

Acids and Redox

Electrons and Bonding

Shapes of Molecules and Intermolecular Forces

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Atoms, Ions and Compounds

Amount of Substance

Acids and Redox

Electrons and Bonding

Shapes of Molecules and Intermolecular Forces

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