Does ice melt faster in fresh or salt water?

Answer 1

Salt water. The salt makes it melt faster, than pure fresh water.

That is rubbish. Salt crystals may be spread onto ice to melt it (causing a drop in temperature too). A mixture of crushed ice and salt is commonly used as a "freezing mixture" in the laboratory. However, a lump of ice (of a given mass and temperature) will not melt at any appreciably different rate in a bath of salty water than in a bath of fresh water at the same temperature. This is because the thermal conductivity of salty water is only very slightly greater than that of fresh water, but the thermal capacity of salty water is less than that of fresh water, so any effects due to these differences tend to cancel each other out. The main factor that would influence the rate of melting would be the temperature of the water bath. Some experiments have shown that if the bath water is salty enough, the bath water is more dense than any cold, recently-melted water from the ice cube and thus there will be no convection currents which might carry heat away quicker than by conduction alone, from which the obvious conclusion is that the ice should melt quicker in fresh water.

Answer 2

Ice melts faster in fresh water because salt water has a lower freezing point due to the presence of salt. Fresh water freezes at 0 degrees Celsius while salt water freezes at a lower temperature, so it takes longer for ice to melt in salt water.

Answer 3

ICE CUBES MELTS FASTER IN FRESH THEN IN SALT WATER.

Answer 4

salt water. a solution of the solvent (water) and the solute (salt) has a lower freezing point than the pure solvent