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xeze [42]
3 years ago
7

How a mineral's chemical make-up looks like?

Chemistry
1 answer:
sveticcg [70]3 years ago
5 0
You would have to go to sephora and check it out 
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What are chemical changes of sodium hydroxide
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8 0
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CdF2(s)⇄Cd2+(aq)+2F−(aq)A saturated aqueous solution of CdF2 is prepared. The equilibrium in the solution is represented above.
kupik [55]

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The correct answer is option a.

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CdF_2(s)\rightleftharpoons Cd^{2+}(aq)+2F^-(aq)

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Equilibrium concentration fluoride ions = [F^{-}]=0.117 M

Molar solubility is the maximum concentration of salt present in water in ionic form beyond that no more salt will exist in its ionic form and will settle down in bottom of the solution.

The molar solubility of the solid cadmium fluoride = 0.0585 M

CdF_2(s)\rightleftharpoons Cd^{2+}(aq)+2F^-(aq)..[1]

NaF(s)\rightleftharpoons Na^{+}(aq)+F^-(aq)

Due to addition of sodium fluoride will increase concentration of fluoride in the solution.And due to common ion effect the equilibrium will shift in backward direction in [1], that is precipitation of more cadmium fluoride.

Hence, decrease in solubility will be observed.

8 0
2 years ago
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