3.3 Moles and volumes

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Jayden Clauer

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Concentration is the amount of moles of a substance in a given volume of solution
Number of moles = concentration x volume
Multiplying the concentration by the molecular mass will give the concentration in grams per dm3
Molar gas volume increases as temperature increases
Molar gas volume decreases as pressure increases
At room temperature and pressure, 1 mole of gas occupies a volume of 24dm3
Volume = moles x 24
Ideal gas equation -> pV = nRT
p = pressure in Pascals
V = volume in m3
n = number of moles
R = gas constant
T = temperature in K

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3.3 Moles and volumes

Cards (8)

Module 2: Foundations in Chemistry

AQA A-Level Chemistry

OCR A-Level Chemistry

2.2.3 Stoichiometry

2.2 Amount of Substance

2.2.1 The mole concept

Module 4: Core Organic Chemistry

C6.2 Organic Chemistry

3.2 Use of amount of substance in relation to masses of pure substances

2.2.2 Empirical and molecular formulas

Module 1: Development of Practical Skills in Chemistry

3.5 Use of amount of substance in relation to volumes of gases

Module 6: Organic Chemistry and Analysis

Module 5: Physical Chemistry and Transition Elements

Unit 1: Chemistry of Life

3.5 Use of amount of substance in relation to volumes of gases

Module 2: Foundations in biology

11.1 The overarching concepts in chemistry

3.2 Use of amount of substance in relation to masses of pure substances

GCSE Chemistry

AP Chemistry