FREE Sample: OCR A Level Chemistry pH, Acids and Buffers Workbook (A2, Year 13)

Short summary:
10 free pages from the Chemistry Unlocked pH, Acids and Buffers workbook for OCR A (H432): strong acid pH, Ka and pKa, and a fully worked OCR-style buffer question with mark scheme.
Description:
Try before you buy. This free sample gives you 10 pages from pH, Acids and Buffers, the step-by-step OCR A Year 13 workbook for 5.1.3.

Inside the sample:

• How to use the workbook
• Skill 3: pH of strong acids and dilution, including working back from pH to [H⁺]
• Skill 4: Ka and pKa, with calculator key sequences and OCR exam-style questions
• One 11-mark OCR-style question joining weak acid pH, buffer formation and buffer pH
• Its model answer and OCR-style mark scheme, with ALLOW / DO NOT ALLOW guidance and common errors

The full workbook has 11 skills, 79 OCR-style practice questions, a 50-mark exam paper and full mark schemes.

Get the full workbook here: https://www.tes.com/teaching-resource/resource-13625146 Or save with the bundle (workbook + Acids revision cards): https://www.tes.com/teaching-resource/resource-13625195

Free to copy for your own students. Written for OCR A H432; not endorsed by OCR.
Keywords / tags: free, sample, OCR A level chemistry, H432, pH, strong acids, Ka, pKa, buffers,