4L of 0.02M aqueous solution of NaCl was diluted by adding one litre of water.
4L of 0.02M aqueous solution of NaCl was diluted by adding one litre of water. The molality of the resultant solution is _____________.
(i) 0.004
(ii) 0.008
(iii) 0.012
(iv) 0.016
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