Solve this: 92. The solubility of CaCO3 in water is 3.05 x 10-4 moles/litre. Its solubility product will be : (a) 6.1 x 104 (b) 9.3 (c) 3.05 x 10-4 (d) 9.3 x 10-8
Li or Cs ?
Please provide one answer and why?
Thankyou.
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What will be potential of the cell at if the concentration of ions each is 0.1 M?
A) 1.10 B) 0.10 C) -1.10 D) -0.10
101. The mass in grams of copper will be deposited from a solution of Cu2+ by a current of 2.50 A in 2 hours, is
(a) 23 7
(b) 0.187
(c) 1.65
(d) 5 93
Solve this:
92. The solubility of CaCO3 in water is 3.05 x 10-4 moles/litre. Its solubility product will be :
(a) 6.1 x 104
(b) 9.3
(c) 3.05 x 10-4
(d) 9.3 x 10-8
(pkw+pka+ logc)/2
or (pkw-pka-log c )/2
or (pkw+pka- logc)/2
Q. What is the pH at equivalence point in the titration of 0.1 MCH3COOH and 0.1 M NaOH?
(Ka for acetic acid is 1.8 × 10–5)
(a) 7
(b) Between 7 and 8
(c) Between 8 and 9
(d) Between 6 and 7