The reaction between aluminum and an aqueous solution of copper(II) sulfate is represented by the unbalanced equation below. Al(s) + CuSO4(aq) ==> Al2(SO4)3(aq) + Cu(s)52 Identify the type of chemical reaction represented by the equation. [1] Highlight box to reveal answer Single Replacement or Redox |
53 Balance the equation in your answer booklet, using the smallest whole-number coefficients. [1] _____ Al(s) + _____ CuSO4(aq) ==> _____ Al2(SO4)3(aq) + _____ Cu(s) Highlight box to reveal answer __2__ Al(s) + __3__ CuSO4(aq) ==> __1__ Al2(SO4)3(aq) + __3_ Cu(s) |
54 Explain why the equation represents a chemical change. [1]Highlight box to reveal answer the products are different substances than the reactants or there is a loss and gain of electrons by the substances in the reaction |
55 Determine the total mass of Cu produced when 1.08 grams of AI reacts completely with 9.58 grams of CuSO, to produce 6.85 grams of Al2(SO4)3.[1] Highlight box to reveal answer 3.81g mass in must equal the mass out 1.08g + 9.58g=10.66g in 10.66g=6.85g + X out |
on to Questions 56-59 |