E. i and iii QUESTION 25 A CHE 107 student adds excess AgNO3 (aq) to 0.100 L of 0.200 M Na2SO4 (aq) and collects the precipitate Ag2SO4 (s) by filtration. The weight of AgSO4 ater drying is 5.76 g. What is the percent yield of the reaction? (Write your answer in 3 significant figures) 2 AgNO3(aq) + Na2SO4(aq) → 2 NaNO3(aq) +Ag2SO4(s)

Chemistry: Principles and Reactions
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Chapter17: Electrochemistry
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Problem 28QAP: Use Table 17.1 to select (a) an oxidizing agent in basic solution that converts ClO3- to ClO4- but...
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E. i and iii
QUESTION 25
A CHE 107 student adds excess AgNO3 (aq) to 0.100 L of 0.200 M Na2SO4 (aq) and collects the precipitate Ag2SO4 (s) by filtration. The weight of AgSO4 ater drying
is 5.76 g. What is the percent yield of the reaction? (Write your answer in 3 significant figures)
2 AgNO3(aq) + Na2SO4(aq) → 2 NaNO3(aq) +Ag2SO4(s)
ll answers.
Transcribed Image Text:E. i and iii QUESTION 25 A CHE 107 student adds excess AgNO3 (aq) to 0.100 L of 0.200 M Na2SO4 (aq) and collects the precipitate Ag2SO4 (s) by filtration. The weight of AgSO4 ater drying is 5.76 g. What is the percent yield of the reaction? (Write your answer in 3 significant figures) 2 AgNO3(aq) + Na2SO4(aq) → 2 NaNO3(aq) +Ag2SO4(s) ll answers.
QUESTION 24
Based upon the activity series below, which of the following statements are correct?
strongly reducing
Li(s) → Li*(aq) + e
Mg2+ (aq) +
2e
Mg(s) →
Zn(s) →
Pb(s) → Pb*2(aq) + 2e
Au(s) → Au3³(aq) + 3e
weakly reducing
Zn²+ (aq) + 2e
(1) Au 3+ is
is the best oxidizing agent
(ii) Zn can reduce Pb2* but not Mg2+
(i) Mg2+ can oxidize Zn but not Li
(iv) Li ion is the best reducing agent
OA. i and ii
OB. il and iv
OC. I, il and ill
OD. ii and ill
OE i and i
nubmit Click Save All Answers to
Transcribed Image Text:QUESTION 24 Based upon the activity series below, which of the following statements are correct? strongly reducing Li(s) → Li*(aq) + e Mg2+ (aq) + 2e Mg(s) → Zn(s) → Pb(s) → Pb*2(aq) + 2e Au(s) → Au3³(aq) + 3e weakly reducing Zn²+ (aq) + 2e (1) Au 3+ is is the best oxidizing agent (ii) Zn can reduce Pb2* but not Mg2+ (i) Mg2+ can oxidize Zn but not Li (iv) Li ion is the best reducing agent OA. i and ii OB. il and iv OC. I, il and ill OD. ii and ill OE i and i nubmit Click Save All Answers to
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