The reasons for these trends in terms of the structure of and bonding in the elements. Opportunities for skills development Acids, bases and Group 2 (4 weeks) Time Learning activity with Assessment Learning outcome Resources Learning objective taken opportunity to develop skills opportunities 3.1.2.5 2.6 Use balanced equations to Practical activities: June 2004 Indigestion tablets Balanced equations and weeks calculate concentrations Concentration of ethanoic acid in Unit 1 Q2 associated calculations. and volumes for reactions vinegar. in solutions. January 2004 The concentration of a Mr of succinic acid Unit 1 Q3 substance in solution, Construct and/or balance Percentage calcium carbonate in measured in mol dm–3 equations using ratios. indigestion tablets. January 2002 and calculations Unit 1 Q7 concentration, volume Select appropriate titration Mass of aspirin in an aspirin tablet. and amount of data (ie identify outliers) in January 2009 substance in a solution. order to calculate mean Students perform a range of Unit 1 Q3b titres. different types of calculations involving reacting masses and January 2011 Determine uncertainty volume of solutions. Unit 1 Q3 when two burette readings are used to calculate a June 2010 value. Unit 1 Q3
The reasons for these trends in terms of the structure of and bonding in the elements. Opportunities for skills development Acids, bases and Group 2 (4 weeks) Learning objective Time taken Learning outcome Learning activity with opportunity to develop skills Assessment opportunities Resources 3.1.2.5 Balanced equations and associated calculations. The concentration of a substance in solution, measured in mol dm–3 and calculations concentration, volume and amount of substance in a solution. 2.6 weeks Use balanced equations to calculate concentrations and volumes for reactions in solutions. Construct and/or balance equations using ratios. Select appropriate titration data (ie identify outliers) in order to calculate mean titres. Determine uncertainty when two burette readings are used to calculate a value. Practical activities: Concentration of ethanoic acid in vinegar. Mr of succinic acid Percentage calcium carbonate in indigestion tablets. Mass of aspirin in an aspirin tablet. Students perform a range of different types of calculations involving reacting masses and volume of solutions. June 2004 Unit 1 Q2 January 2004 Unit 1 Q3 January 2002 Unit 1 Q7 January 2009 Unit 1 Q3b January 2011 Unit 1 Q3 June 2010 Unit 1 Q3 Indigestion tablets
AQA-7404-B-SOW.DOCX