21 April 2025

Practising Serial Dilutions


 Practising Serial dilutions as part of an A-Level Experiment Practice. Some of the students have to do practical experiments, and it is essential to get them to practice the sorts of things they will be doing.

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How Much Water Can a Superabsorbent Polymer Hold?

  How Much Water Can a Superabsorbent Polymer Hold? A tiny pile of powder, an astonishing transformation — and a pinch of salt that changes ...