Question
Fri April 04, 2014 By: Sourav Naval

Out of 1molal HCL and 1 molar HCL, which has higher concentration and why?

Expert Reply
Mon April 07, 2014
1 molal HCl means 1 mole HCl in 1 kg water.
1 molar HCl means 1 mole HCl in 1 L water.
1 mole HCl = 36.5 g
1 kg water = 1 L water.
Thus, concentrations of 1 molal HCl and 1 molar HCl are same.
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