試題詳解

26. A mixture of Cu, Cu₂O and CuO is dissolved upon the addition of 100 mL of 0.6 mol/L HNO₃ solution, from which 224 mL of NO gas (under standard condition) is collected. Which of the following statements is incorrect?
(A)The amount of copper nitrate in the product is 0.025 mol.
(B)The amountof Cu in the mixture is greater than 0.005 mol.
(C)The amountof Cu in the mixture is smaller than 0.015 mol.
(D)If the mixture contains 0.01 mol Cu, there are0.005 molCu₂O and 0.005 mol CuO in the mixture.
(E) If the amount of Cu in the mixture is 0.005 mol, the total amount of Cu₂O and CuO in the mixture is 0.020 mol.