9. Concept of limiting reactant is very useful to calculate the mass of reactant required and product formed. 20 gm of m

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9 Concept Of Limiting Reactant Is Very Useful To Calculate The Mass Of Reactant Required And Product Formed 20 Gm Of M 1 (47.22 KiB) Viewed 17 times

9. Concept of limiting reactant is very useful to calculate the mass of reactant required and product formed. 20 gm of marble containing 90% CaCO3 is allowed to react with 50 gm of concentrated acid containing 36.5% HCI by mass. i) Find limiting reactant. [1] ii) Find mass and mole of excess reagent left over unreacted. [2] iii) Find mass of salt formed. [1] iv) Find molecules and mass of water formed. [2] v) Find mass of NaOH required to absorb whole of the CO2 gas produced as Na₂CO3. [1] vi) Volume of CO₂ gas at 30°C and 770 mm of Hg pressure. [1]