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An experiment to investigate the reaction between marble chips and HCl
Member rating: No Rating | Words: | Submitted: Wed Aug 27 2003
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An experiment to investigate the reaction between marble chips and HCl Preliminary Work I did a number of experiments before I started my actual experiment: i) I weighed 10.0g of CaCO3 chips, each one roughly 10-12mm large. I then placed it into a conical flask. I then added 50cm3 oh 2M HCl. All the gas that was given off was collected in a 100cm3 gas syringe. The apparatus was set up as shown below: *do not tighten the clamp too much as in clamping it too tightly it would mean that the glass would be squeezed and so hinder/affect the gas syringe as it collects the gas. When I carried out this experiment I encountered two problems. 1. As soon as I put the acid onto the chips there was a lot of gas given off. Before I could put the bung into place some of this gas escaped. The amount of gas which escaped is...
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