I've seen this concept in nearly 50% of Paper 2 IGCSE Chemistry exams This is one of the most common mole calculation questions examiners use in IGCSE Chemistry 0620 exams. Students often lose marks because they confuse the reactant with the product or ignore the mole ratio completely. In this video, I’ll show you how to solve this type of stoichiometry question step by step using the fastest exam technique possible. We’ll break down how to identify the known substance, calculate the mole ratio
1:40
I've seen this concept in nearly 50% of Paper 2 IGCSE Chemistry exams This is one of the most common mole calculation questions examiners use in IGCSE Chemistry 0620 exams. Students often lose marks because they confuse the reactant with the product or ignore the mole ratio completely. In this video, I’ll show you how to solve this type of stoichiometry question step by step using the fastest exam technique possible. We’ll break down how to identify the known substance, calculate the mole ratio
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