Q1: the solubility-product constant for cadmium carbonate is 2.5*10-14. Calculate the solubility of CDCO; in : a- Water b- A solution that is 0.1M with respect to carbonate ion.

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Q1: the solubility-product constant for cadmium carbonate is 2.5*10-14. Calculate
the solubility of CdCO; in :
a- Water
b- A solution that is 0.1M with respect to carbonate ion.
Q2: the solubility products for a series of hydroxides are:
Kap=4*10-10
Ka=7*10-22
Ka=3*10-24
Kp-4*10-26
BIOOH
Be(OH)2
Tm(OH);
Hf(OH)4
Which of the above hydroxides has:
a- The lowest formal solubility in H2O?
b- The highest formal solubility in a solution that is 0.1M with respect to the
solute çation ?
c- The highest formal solubility in a solution that is 0.1M with respect to OH?
Q3: what lead ion concentration is needed to:
a- Initiate precipitate of pbSO4 from a solution that is 0.05M with respect to
sulfate ion?
b- Lower the sulfate ion concentration to 1*10-°M?
Q4: drive the formal solubility Of H;A in a solution with a fixed hydronium ion
concentration.
Transcribed Image Text:Q1: the solubility-product constant for cadmium carbonate is 2.5*10-14. Calculate the solubility of CdCO; in : a- Water b- A solution that is 0.1M with respect to carbonate ion. Q2: the solubility products for a series of hydroxides are: Kap=4*10-10 Ka=7*10-22 Ka=3*10-24 Kp-4*10-26 BIOOH Be(OH)2 Tm(OH); Hf(OH)4 Which of the above hydroxides has: a- The lowest formal solubility in H2O? b- The highest formal solubility in a solution that is 0.1M with respect to the solute çation ? c- The highest formal solubility in a solution that is 0.1M with respect to OH? Q3: what lead ion concentration is needed to: a- Initiate precipitate of pbSO4 from a solution that is 0.05M with respect to sulfate ion? b- Lower the sulfate ion concentration to 1*10-°M? Q4: drive the formal solubility Of H;A in a solution with a fixed hydronium ion concentration.
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