JEE Main 202229 Jun, Evening shiftChemistryEasySurface Chemistry63× since 2002
A 42.12% (w/v) solution of NaCl causes precipitation of a certain sol in 10 hours. The coagulating value of NaCl for the sol in 2 hours is :
[Given : Molar mass : Na = 23.0 g mol^1 ; Cl = 35.5 g mol^1]