🔴 10 AS Chemistry formulae to solve any mole problem in half the time In this video, I break down the must-know AS/IAL Chemistry (WCH11) formulae that repeatedly appear in exams and show you exactly when to use each one for fast marks. You’ll learn how to handle counting particles using Avogadro’s constant, convert moles ↔ gas volume at room conditions (24 dm³), use and rearrange the ideal gas equation, and avoid the common unit mistakes (Pa, m³, K). We also cover the core quantitative formulas

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