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CalciumCarbonate + Hydrochloric Acid —> Calcium Chloride + Water + Carbon Dioxide CaCO3 +2HCl —> CaCl 2 + H2O + CO2 Aim Method & Diagram
The first 200 words of this essay...
Calcium Carbonate + Hydrochloric Acid -> Calcium Chloride + Water + Carbon Dioxide
CaCO3 + 2HCl -> CaCl 2 + H2O + CO2
Investigate factors affecting rate of reaction between calcium carbonate and hydrochloric acid.
Method & Diagram
Fill measuring cylinder with water
Half fill water basin with water
Invert measuring cylinder whilst covering open end with hand
Submerge measuring cylinder (End with hand on)
Put 25ml of acid into the conicle flask
Have 2.0g of marble chips ready
Put end of pipe into submerged conicle flask
Prepare to start stopwatch
Put marble chips in with acid & put bung on conicle flask whilst starting stopwatch
Every 30s starting from 0s take a measurement of how much air there is in measuring cylinder (cm3)
When you have done this with the first concentration of acid clean out the conicle flask and refill the measuring cylinder & repeat experiment with next concentration of acid.
* Conicle Flask
* Marble chips
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