A. using Zinc powder instead of Zinc granules
B. using dilute instead of concentrated hydrochloric acid
C. cooling the container in which the mixture is placed
D. using an alloy of zinc instead of pure zinc
E. using hydrogen chloride gas instead of hydrochloric acid solution
Correct Answer:
Option A – using Zinc powder instead of Zinc granules
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![Consider the following reaction equation: CaCO3(s) + 2HCI(aq) → CaCl2(aq) + H2O(l) + CO2(g). What mass of CaCI2 would be obtained when 25.0g of CaCO3(s) is reacted with excess HCI(aq)? [CaCO3 = 100; CaCI2 = 111]](https://erudites.ng/wp-content/plugins/contextual-related-posts/default.png "Consider the following reaction equation: CaCO3(s) + 2HCI(aq) → CaCl2(aq) + H2O(l) + CO2(g). What mass of CaCI2 would be obtained when 25.0g of CaCO3(s) is reacted with excess HCI(aq)? [CaCO3 = 100; CaCI2 = 111]")