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8

This can be calculated using a property called cryoscopic constant Kf which links the concentration of a solved substance to the freezing point depression Td: Td = m * Kf where m is the molality which is the amount of mols of solved substance per kg of solvent (here water). For water Kf is 1.86K*kg/mol and the molar mass of sugar (sucrose) is 342g/mol. So ...


6

When I'm winter camping I always leave my water in my pot over night, so all I have to do in the morning is turn the stove on and let the ice melt. If I want water for later, I'll typically boil it, then leave it in a good thermos, which will keep it liquid at -15°C for a good 24hrs. Though not very practical, your idea with the bucket will work, just keep ...


3

When I have frozen water bottles (usually plastic Nalgene bottles), I melt them by putting them in a pot of hot water. It doesn't take too long to melt the ice to the point you can get it out of the wide-mouth bottle. Then you can just dump the ice into the hot water. (As you get more water in the pot, make sure to ladle it back into bottles so the pot ...



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