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Investigate The Effect of Surface Area on the Rate of Reaction Between Calcium Carbonate and Hydrochloric Acid
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Name: Faisal Majid Investigate The Effect of Surface Area on the Rate of Reaction Between Calcium Carbonate and Hydrochloric Acid Planning Experimental Procedures The Equation for my coursework is: CaCO3 + 2HCL CaCl2 + CaCl2 + H2O + CO2 1 mole 2moles 1 mole =24,000cm3 ? We need 0?01 moles 0?02 moles 240 = 0?01 24,000 ?We now need at least 0?02moles. But as we must react all of the CaCO3 we must use an excess amount of HCL. A sufficient amount of HCL in this case would be 5 times the minimum amount which is: 5?0?02 = 0?1 moles The molarity of the hydrochloric acid= 2mol.dm-3 ?The total volume of the HCL = 0?1 = 0.05dm3 2 =50cm3 This equation shows us that 50cm3 of Hydrochloric acid was used in the whole experiment. Prediction I predict that the small marble chips will react much faster than the medium or large marble chips. I believe this because when...
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