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The equilibrium constant at 278 K for ...

The equilibrium constant at 278 K for
` Cu(s) +2Ag ^(+) (aq) hArr Cu^(2+) (aq) + 2Ag(s)`
is ` 2.0 xx 10^(15) . ` At a particular moment , the concentration of `Cu^(2+) and Ag^(+) ` ions are found to be `1.8 xx 10 ^(-2) " mol " L^(-1) and 3.0 xx 10 ^(-9) " mol " L^(-1)`
respectively . Is the system in equilibrium at that moment?

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