For example, in household measurement terms, it would take 6.1 cups of sugar to change the boiling temperature of 1 liter of water by 1.86 degrees C, compared to 1.71 cups of sugar to change freezing point by the same amount.
(it; to change; the boiling temperature of 1 liter of water)
it
to change
the boiling temperature of 1 liter of water