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Which of the following compounds precipitates from a solution that has the concentrations indicated? a. CaCO3: [Ca²+] = 0.003 M, [CO3²¯] = 0.003 M b. Co(OH)2: [Co²+] = 0.01 M, [OH-] = 1 × 10-7 M c. CaHPO4: [Ca2+] = 0.01 M, [HPO4²¯] = 2 × 10-6 M

Which of the following compounds precipitates from a solution that has the concentrations indicated? a. CaCO3: [Ca²+] = 0.003 M, [CO3²¯] = 0.003 M b. Co(OH)2: [Co²+] = 0.01 M, [OH-] = 1 × 10-7 M c. CaHPO4: [Ca2+] = 0.01 M, [HPO4²¯] = 2 × 10-6 M

Chemistry by OpenStax (2015-05-04)
Chemistry by OpenStax (2015-05-04)
1st Edition
ISBN:9781938168390
Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Publisher:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Chapter15: Equilibria Of Other Reaction Classes
Section: Chapter Questions
Problem 30E: Which of the following compounds precipitates from a solution that has the concentrations indicated?...
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Which of the following compounds precipitates from a solution that has the concentrations indicated? a. CaCO3: [Ca²+] = 0.003 M, [CO3²] = 0.003 M b. Co(OH)2: [Co2+] = 0.01 M, [OH¯] = 1 × 10-7 M c. CaHPO4: [Ca²+] = 0.01 M, [HPO4²-] = 2 × 10-6 M
Transcribed Image Text:Which of the following compounds precipitates from a solution that has the concentrations indicated? a. CaCO3: [Ca²+] = 0.003 M, [CO3²] = 0.003 M b. Co(OH)2: [Co2+] = 0.01 M, [OH¯] = 1 × 10-7 M c. CaHPO4: [Ca²+] = 0.01 M, [HPO4²-] = 2 × 10-6 M
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