Consider the equilibrium hclo3(aq) < > clo3-(aq) + h+(aq). if the equilibrium constant kc is 10.0, and the initial concentration of hclo3 is 1.00 m, calculate the equilibrium concentration of h+ . 3.16 10.0 0.916 m 10.9 m

The reaction is

                           HClO3(aq) <> ClO3-(aq) + H+(aq).

Concentrations

Initial                      1                             0                0

Change                    -x                         +x              +x

Equilibrium              1-x                         x                 x

Kc = [ClO3-] [ H+] / [HClO3] = x^2 / 1-x = 10

10 - 10x  = x^2

x^2 + 10x - 10x = 0

On solving

x = 0.916 M

so equilibrium concentration of H+  = x = 0.916 M

the answer to this question is 3.

metals are good conductor of electricity. it has free electrons on their surface. according to electron pool theory, each atom present in a metal crystal losses all of its valence electron and as a result a pool of free is form. these pool of electrons are free to move and   conduct electricity easily   while making metal as good conductor.

the correct answer is a. the ability of electrons to flow throughout the metal.

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