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22 February 2018

Colorimetry of hydrated copper sulfate, including making up a 1.0M standard solution.

This is the fourth out of four experiments within Assignment 2A.

This practical is a requirement within the new Pearson BTEC Level 3 specification (Unit 2 - Assignment A).

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BTEC NQF L3 Applied Science: Unit 2

Complete set of resources (powerpoints, student skills checklists and student help sheets) for Unit 2: Practical Scientific Procedures and Techniques. The following assignments and associated practicals are included: \- 2A: Keeping Up With the Standards 1 \- 2B: Keeping Up With the Standards 2 \- 2C: Separate to Identify \- 2D: How Am I Doing? These practicals are a requirement within the new Pearson BTEC Level 3 specification (Unit 2).

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BTEC NQF L3 Applied Science: Unit 2: Assignment A

Powerpoints, student skill sheets and student help sheets for Assignment 2A: Keeping Up The Standards 1 for the following experiments: \- Standard Solution of 0.1M sodium carbonate. \- Titration 1 of 0.1M sodium carbonate against 0.4M hydrochloric acid (using pH probe). \- Titration 2 of 0.4M hydrochloric acid against 0.2M sodium hydroxide. \- Colorimetry of copper sulfate using a 1.0M standard solution. These practicals are a requirement within the new Pearson BTEC Level 3 specification (Unit 2 - Assignment A).

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ebryant3

6 years ago

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This is excellent except the mass and concentrations are 10 times too high, we have done this successfully but to avoid unwanted precipitates as we have often found with copper sulfate and our washing powder. We made the solution up with 0.1 sulfuric acid instead of water.