4-Descriptive Questions|Part-1|Chapter#4|Stoichiometry|9th Class Chemistry New Book 📚 2025|
Автор: Chemistry by Shoaib Javed
Загружено: 2025-07-08
Просмотров: 9426
#descriptive questions
1-Which conditions must be fulfilled before writing a chemical equation for a reaction?
2-Explain the concept of Avogadro's Number and mole.
3-How many grams of CO₂ will be produced when we react 10 g of CH₄ with excess of O₂ according to the given equation?
4-How many moles of coal are needed to produce 10 moles of CO according to the following equation?
5-How much SO₂ is needed in grams to produce 10 moles of sulphur?
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