The temperature of the air, pavement, and the type of ice-melt compound used will affect the rate at which the ice melts. There are many different ice-melt compounds available from traditional rock salt (sodium chloride) to ice-melt pellets (calcium chloride).
The answer is 3.25 x 10 -3 kg is not equal to 325 cg
Measure how much water has gone in, so you know the concentration.
Charge and uncharged particles