A student wishes to identify an unknown cation in a solution. A precipitate does not form with the addition SO4²-, but does form with the addition of S²-. Which of the following is the unknown cation? CATIONS с Sr++ Ag* Cu²+ High Solubility (aq) Low Solubility (s) Ca²+ Mg2+ Cl, Br, I- Halides Most Ag+, Pb²+, Tl, Hg₂²+, Hg", Cu S2- Solubility Table Group 1, NHƯ, Group 2 Most ANIONS OH- Group 1, NH4*, Sr²*, Ba²+, Tl. Most SO4²- Most Ag", Pb²+, Ca²+, Ba²+, Sr²., Ra². CO3²-, PO4³, SO3²- All Group 1 compounds, including acids, and all ammonium compounds are assumed to have high solubility in water. C₂H302 NO3 Group 1, Most All NH4* Most Ag+ None
A student wishes to identify an unknown cation in a solution. A precipitate does not form with the addition SO4²-, but does form with the addition of S²-. Which of the following is the unknown cation? CATIONS с Sr++ Ag* Cu²+ High Solubility (aq) Low Solubility (s) Ca²+ Mg2+ Cl, Br, I- Halides Most Ag+, Pb²+, Tl, Hg₂²+, Hg", Cu S2- Solubility Table Group 1, NHƯ, Group 2 Most ANIONS OH- Group 1, NH4*, Sr²*, Ba²+, Tl. Most SO4²- Most Ag", Pb²+, Ca²+, Ba²+, Sr²., Ra². CO3²-, PO4³, SO3²- All Group 1 compounds, including acids, and all ammonium compounds are assumed to have high solubility in water. C₂H302 NO3 Group 1, Most All NH4* Most Ag+ None
General Chemistry - Standalone book (MindTap Course List)
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Chapter17: Solubility And Complex-ion Equilibria
Section: Chapter Questions
Problem 17.19QP: You are given a saturated solution of lead(II) chloride. Which one of the following solutions would...
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Question
Transcribed Image Text:A student wishes to identify an unknown cation in a solution. A precipitate does not form with the addition of
SO4²", but does form with the addition of S². Which of the following is the unknown cation?
CATIONS
с
Sr++
Ag*
Cu²+
High
Solubility
(aq)
Low
Solubility
(s)
Mg2+
Ca²+
Cl, Br, I
Halides
Most
Ag+, Pb²+,
Tl+, Hg₂²+,
Hg, Cu
52-
Solubility Table
Group 1,
NHÀ,
Group 2
Most
ANIONS
OH
Group 1,
NH4*, Sr²*,
Ba²+, Tl+
Most
SO4²-
Most
Ag+, Pb²+,
Ca²+, Ba²+,
Sr²+, Raz
All Group 1 compounds, including acids, and all ammonium compounds are assumed to have high solubility in
water.
CO3²-, C₂H3O2 NO3
PO4³¹,
SO3².
Group 1, Most All
NH4*
Most
Ag. None
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