Asked by SilverTrend
Having some trouble elaborating on a answer/conclusion for my investigation report.
Why is it, that if we add more 2M HCl to 1gram of carbonate(crushed shells), the reaction takes longer to stop?
Below is the results table. Time results are written in minutes.
AMT.HCl Test 1 Test 2 Test 3 Average
5ml 0.56 1.06 1.01 0.88(m)
10ml 2.02 2.28 2.06 2.12(m)
15ml 4.53 4.53 4.30 4.45(m)
20ml 4.56 5.10 4.52 5.13(m)
I understand that more acid added, the more there is to react. I do not know how to expand on this and I need to.
Help is greately appreciated.
Why is it, that if we add more 2M HCl to 1gram of carbonate(crushed shells), the reaction takes longer to stop?
Below is the results table. Time results are written in minutes.
AMT.HCl Test 1 Test 2 Test 3 Average
5ml 0.56 1.06 1.01 0.88(m)
10ml 2.02 2.28 2.06 2.12(m)
15ml 4.53 4.53 4.30 4.45(m)
20ml 4.56 5.10 4.52 5.13(m)
I understand that more acid added, the more there is to react. I do not know how to expand on this and I need to.
Help is greately appreciated.
Answers
Answered by
bobpursley
You have it. THe reaction time depends on the amount of HCl, and the surface area. Since the surface area is constant, then the reaction time will depend on how much HCl there is. If the crushed shells were a powder, it would take much less time.
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