(d) Suppose the cap were left off the container of 0.30 M solution of KIO4 such that some of the water evaporated. Explain the effect of this procedural mishap on the production of Vt ions? (AP Exam Strategy: In lab error questions, try using hypothetical data to show that you are right, even if they don't ask you to. This helps the reader understand your explanation)

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11. In warm, acidic, aqueous conditions the following reaction can take place (unbalanced, spectator ions
omitted):
IO, + V+ I+ V$+
(a) Which element is oxidized?
Which is reduced? I
(b) Determine the balanced net ionic equation in acidic conditions using the
half-reaction method.
ovid.
/2 reaurin.
Note: you should show
some evidence of your
thought process in
your response.
V3t V st + 2e/
reduc.
n react ion : 10y
104I+4 H20
10, +8HI+4H20
I0 18H*+7e I +4H,0
7V3++2 I04+16M 7V54 + 21 +8H,0
(c) If 50. mL of a 0.30 M solution of potassium periodate, KIO, (aq) is used for this reaction, how many grams of
V*(aq) will be produced? Assume the reaction only proceeds in the forward direction (as written) and with an
excess of dissolved VCl, (aq).
# of modes of KIOn
30mol x SOx 10:3 =0.015 mol
%3D
2 mol IO,7 moj Vst
0.01S moi 104- x0.015 mol v =0.0525 mol Vst
Mass produced 0.052smol x 51mol =12.08g
(d) Suppose the cap were left off the container of 0.30 M solution of KIO4 such that some of the water
evaporated. Explain the effect of this procedural mishap on the production of Vt ions?
(AP Exam Strategy: In lab error questions, try using hypothetical data to show that you are right, even if they
don't ask you to. This helps the reader understand your explanation)
Transcribed Image Text:11. In warm, acidic, aqueous conditions the following reaction can take place (unbalanced, spectator ions omitted): IO, + V+ I+ V$+ (a) Which element is oxidized? Which is reduced? I (b) Determine the balanced net ionic equation in acidic conditions using the half-reaction method. ovid. /2 reaurin. Note: you should show some evidence of your thought process in your response. V3t V st + 2e/ reduc. n react ion : 10y 104I+4 H20 10, +8HI+4H20 I0 18H*+7e I +4H,0 7V3++2 I04+16M 7V54 + 21 +8H,0 (c) If 50. mL of a 0.30 M solution of potassium periodate, KIO, (aq) is used for this reaction, how many grams of V*(aq) will be produced? Assume the reaction only proceeds in the forward direction (as written) and with an excess of dissolved VCl, (aq). # of modes of KIOn 30mol x SOx 10:3 =0.015 mol %3D 2 mol IO,7 moj Vst 0.01S moi 104- x0.015 mol v =0.0525 mol Vst Mass produced 0.052smol x 51mol =12.08g (d) Suppose the cap were left off the container of 0.30 M solution of KIO4 such that some of the water evaporated. Explain the effect of this procedural mishap on the production of Vt ions? (AP Exam Strategy: In lab error questions, try using hypothetical data to show that you are right, even if they don't ask you to. This helps the reader understand your explanation)
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