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2 years ago

13

Finish the lyrics.

1 answer:

pav-90 [236]2 years ago

8 0

Kg it it ig itchy it ig ig igxgixigxigc

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2 years ago

Which process involves an increase in entropy? crystallization of a solute from a solution ice melting into liquid water iodine

GrogVix [38]

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3 years ago

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2 years ago

The maximum amount of nickel(II) cyanide that will dissolve in a 0.220 M nickel(II) nitrate solution is...?

sweet [91]

Answer : The maximum amount of nickel(II) cyanide is $5.84\times 10^{-12}M$

Explanation :

The solubility equilibrium reaction will be:

$Ni(CN)_2\rightleftharpoons Ni^{2+}+2CN^-$

Initial conc. 0.220 0

At eqm. (0.220+s) 2s

The expression for solubility constant for this reaction will be,

$K_{sp}=[Ni^{2+}][CN^-]^2$

Now put all the given values in this expression, we get:

$3.0\times 10^{-23}=(0.220+s)\times (2s)^2$

$s=5.84\times 10^{-12}M$

Therefore, the maximum amount of nickel(II) cyanide is $5.84\times 10^{-12}M$

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2 years ago

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2 years ago