The diffusion limiting current (Is) at a dropping mercury electrode for an aqueous Mg(II) solution of concentration 'c' (mol L-1) is 300 µA. If 'c' is increased by 0.1 mol L-1, Ia increases to 900 µA. The value of 'c' (in mol L-') is (up to two decinmal places)
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Find out the value of concentration (Show calculation).
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