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CalciumCarbonate + Hydrochloric Acid —> Calcium Chloride + Water + Carbon Dioxide CaCO3 +2HCl —> CaCl 2 + H2O + CO2 Aim Method & Diagram

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  • Essay length: 839 words
  • Submitted: 12/01/2004
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GCSE Aqueous Chemistry

The first 200 words of this essay...

Calcium Carbonate + Hydrochloric Acid -> Calcium Chloride + Water + Carbon Dioxide

CaCO3 + 2HCl -> CaCl 2 + H2O + CO2

Aim

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.

Equipment

* Water

* Conicle Flask

* Bung

* Marble chips

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