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Suggest a way to determine wedge(m^(@)) ...

Suggest a way to determine `wedge_(m^(@))` value of water.

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`Lambda_(m)^(@)(H_(2)O)=ambda_(mH^(+))^(@)+Lambda_(mOH^(-))^(@)`
It can be determine from the value of `Lambda_(m)^(@)(HCl), Lambda_(m)^(@)(NaOH) and Lambda_(m)^(@)(NaCl)`
Then,
`Lambda_(m)^(@)(H_(2)O)=Lambda_(m)^(@)(HCl)+Lambda_(m)^(@)(NaOH)-Lambda_(m)^(@)(NaCl)`
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The molar conductivity of KCl solution at different concentrations at 298 K is given below : {:(c or M (mol L^(-1)),wedge_(m)(Scm^(2)mol^(-1))),(0.000198,148.61),(0.000309,148.29),(0.000521,147.81),(0.000989,147.09):} Show that a plot between wedge_(m) and sqrt(c) is a straight line. Determine the value of wedge_(m)^(@) and A for KCl .

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