The reaction between aluminum and an aqueous
solution of copper(II) sulfate is represented by the
unbalanced equation below.
Al(s)
+ CuSO_{4}(aq)
==> Al_{2}(SO_{4})_{3}(aq)
+
Cu(s)
52 Identify the type of chemical reaction
represented by the equation. [1]
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Single Replacement or Redox |
53 Balance the equation
in
*your answer
booklet, *using the smallest whole-number coefficients.
[1]
_____ Al(s) +
_____ CuSO_{4}(aq)
==> _____ Al_{2}(SO_{4})_{3}(aq)
+
_____ Cu(s)
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__2__ Al(s)
+
__3__ CuSO_{4}(aq) ==> __1__ Al_{2}(SO_{4})_{3}(aq)
+
__3_ Cu(s) |
54 Explain why the equation represents a
chemical change. [1]
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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 Al_{2}(SO_{4})_{3.}[1]
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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 |