3.4.1Quantitative Chemistry
Using Concentrations in mol-dm3
5 min read 4 parts Lesson 15 of 16 Unit quiz
Section 1 of 4Using Concentrations in mol/dm3
Core Concept
- Core Concept Fundamental principles, definitions, and physical or chemical laws governing this topic.
Mechanism & Behavior
- Mechanism & Behavior Key interactions, structural properties, and process dynamics observed in experiments.
Exam Applications
- Exam Applications Quantitative relationships, key formulas, and criteria required by specification mark schemes.
Section 2 of 4Detailed Mechanics & Evidence
1
Fundamental principles, definitions, and physical or chemical laws governing this topic.
2
Key interactions, structural properties, and process dynamics observed in experiments.
3
Quantitative relationships, key formulas, and criteria required by specification mark schemes.
Section 3 of 4Applications & Specifications
Applications & Specifications
R 3
- R 3 r 3 3 3 3 -3 Worked Example Calculating concentration A solution of 25.0 cm of hydrochloric acid was titrated against a solution of 0.100 mol/dm NaOH
12.1 cm
- 12.1 cm 12.1 cm of NaOH was required for a complete reaction
Determine the
- Determine the Determine the concentration of the acid
025 dm
- 025 dm 025 dm 3 = 0.0484 mol/dm3 Examiner Tips and Tricks You are not given the concentration-moles formula triangle in exams so you have to learn it
It is
- It is It is a good idea to write it down before you start a problem, so you get all the parts in the correct place.
Section 4 of 4Exam Checklist & Tips
Specification Mastery Checklist
- Key Definitions Ensure precise recall of terms and units as required by examination mark schemes.
- Equations & Formulas Double-check balanced state symbols, subscripts, and SI unit conversions.
- Common Misconceptions Verify experimental conditions, controls, and comparative trends across groups.