A Student Attempts to Dissolve a Small Amount of CuCO₃

question 52

Essay

A student attempts to dissolve a small amount of CuCO₃ in 0.0100 M NaOH. Despite vigorous stirring, the material does not apparently dissolve. However, after a while the student notices that the solid has changed appearance. When the pH of the solution is measured, it is found to have gone down. Explain these observations. Was the original goal of the experiment achieved?

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A system that accurately collects, records, stores, and processes financial data to produce information useful for decision-making.