1.

Which one of the following pairs of solution can we expect to be isotonic at thw same temperature?

Answer»

0.1 M UREA and 0.1 M NaCl
0.1 M urea and 0.2 M `MgCl_(2)`
0.1 M NaCl and 0.1 M `Na_(2)So_(4)`
0.1 M `Ca(NO_(3))_(2)` and 0.1 M `Na_(2)SO_(4)`

Answer :D


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