what is the minimum volume of water required to dissolve 1g of calcium sulphate at 298 k

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Q. What is the minimum volume of water required to dissolve 1 g of calcium sulphate at 298 K? (For calcium sulphate,

K_{s p} = 9.1 \times 10^{- 6}

Q. Hard water required for an experiment is not available in a school laboratory. However, the following salts are available in the laboratory. Select the salts which may be dissolved in water to make it hard for the experiment :

(1) calcium sulphate
(2) sodium sulphate
(3) calcium chloride
(4) potassium sulphate
(5) sodium hydrogen carbonate
(6) magnesium chloride

Hard water required for an experiment is not available in a school laboratory. However, following salts are available in the laboratory. Select the salts which may be dissolved in water to make it hard for the experiment

(1) Calcium Sulphate

(2) Sodium Sulphate

(3) Calcium Chloride

(4) Potassium Sulphate

(5) Sodium Hydrogen Carbonate

(6) Magnesium Chloride

Q. The solubility product of

A g C l

10^{- 10} M^{2}

. The minimum volume (in

m^{3}

) of water required to dissolve 14.35 mg of

A g C l

is approximately:

Q. What is the concentration of copper sulphate (in mol

L^{- 1}

) if

80 g

of it is dissolved in enough water to make a final volume of

3 L

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