16. 0.20-M Mn2* and 0.010-M Cd? are mixed in a test tube. If NaOH is gradually added into the test tube, which cation will precipitate first? Ksp (Mn(OH)2) 2.0 x 10-13 and Kp (Cd(OH)2) = 2.5 x 1014. a) Cd2 b) Mn? c) both ions will precipitate at the same time d) insufficient information

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Chapter17: Solubility And Complex-ion Equilibria
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16. 0.20-M Mn2* and 0.010-M Cd²* are mixed in a test tube. If NaOH is gradually added into the test tube, which cation
will precipitate first? Ksp (Mn(OH)2) 2.0 × 10-³ and Ksp (Cd(OH)2) = 2.5 x 1014.
a) Cd?+
b) Mn²*
c) both ions will precipitate at the same time
d) insufficient information
Transcribed Image Text:16. 0.20-M Mn2* and 0.010-M Cd²* are mixed in a test tube. If NaOH is gradually added into the test tube, which cation will precipitate first? Ksp (Mn(OH)2) 2.0 × 10-³ and Ksp (Cd(OH)2) = 2.5 x 1014. a) Cd?+ b) Mn²* c) both ions will precipitate at the same time d) insufficient information
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