Consider the reaction : `AgCl (s) hArr Ag^(+) (aq) + Cl^(-) (aq)` At `27^(@)C K_(C) = 1.6 xx 10^(-9)` for this reaction. If final solution has a volum
Consider the reaction :
`AgCl (s) hArr Ag^(+) (aq) + Cl^(-) (aq)`
At `27^(@)C K_(C) = 1.6 xx 10^(-9)` for this reaction. If final solution has a volume of 50 litre then what minimum millimoles of `AgCl (s)` is needed to achieve equilibrium.
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Correct Answer - 2
`{:(,AgCl (s),hArr,Ag^(+) (aq),+,Cl^(-) (aq),),("mole",-,,x,,x,),("at eqm.",,,,,,):}`
`K_(C) = 16 xx 10^(-10) = (x)/(50) xx (x)/(50`
`n_(Ag^(+)` at equilibrium `= x = 50 xx 4 xx 10^(-5)` moles `= 2 xx 10^(-3)` moles
minimum number `n_(AgCl)` required to achieve equilibrium `= 2 xx 10^(-3)` moles
achieve equilibrum = 2 millimoles
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