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Marble chip investigation - rates of reaction, studying the effects of change in concentration of the acid
Title: Marble chip investigation - rates of reaction, studying the effects of change in concentration of the acid
Category: Science & Technology / Chemistry
Details: Words: 1853 | Pages: 7.9 (approximately 235 words/page)
Marble chip investigation - rates of reaction, studying the effects of change in concentration of the acid
Marble Chip Investigation
Method
1.Set up the equipment as diagram shows. The measuring cylinder must be filled with water and then inverted into the tub.
2.Measure the quantity of hydrochloric acid and marble chips to the decided amount. Add water to the acid to change the concentration to what you need.
3.Take note of the amount of water in the measuring cylinder.
4.Put the marble chips and hydrochloric acid into the conical flask. Replace the …showed first 75 words of 1853 total…
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…showed last 75 words of 1853 total…the acid supplied isn't always exactly the strength that it says it is. I would also try to use a more accurate piece of equipment to measure the volume of gas produced, using a measuring cylinder did not provide the best accuracy that was open to me. I could have achieved a higher level of accuracy with a buret.
Equation
Calcium carbonate + hydrochloric acid Calcium chloride + water + carbon dioxide
CaCO3 + 2HCL CaCL2 + H2O + CO2
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