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The graph is the rate curve for the following reaction carried out in an open...

The graph is the rate curve for the following reaction carried out in an open vessel. MgCO3 + 2HCl = MgCl2 + CO2 + H2O.
I) for how long did the reaction occur
Ii) why was there loss in the mass
Iii) state whether the reaction was faster at the beginning, the middle or towards the end of the reaction. Give reasons for your answer.
Iv) list 3 reaction conditions that can affect the slope of the curve?

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WAEC May/June 2024 - Practice for Objective & Theory - From 1988 till date, download app now - 99995
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
WAEC offline past questions - with all answers and explanations in one app - Download for free
WAEC offline past questions - with all answers and explanations in one app - Download for free
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
WAEC May/June 2024 - Practice for Objective & Theory - From 1988 till date, download app now - 99995