An analyst weighed 0.5002 g of Apple Leaves Standard Reference Material (SRM#1515) to determine cadmium levels. The digestate was completed to the 25.0358 mL mark with distilled water. to. a. 1Indicate the Cd concentration as it appears on the Certificate of Analysis for this control. b. If the analyst recovered 92.6%, calculate the concentration (in ppb) of Cd in the solution.

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A: The solution of the question is given below:

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A: Answer is attached below hope it would help.

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Q: Which element is reduced in the following reaction? Cu(s) + H2SO4(aq) •CUSO4(aq) + SO2(g) + 2H2O(1) ...

A: We have find out reduced element