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Why Does Sugar In Water Dissolve Before Salt?

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Anonymous answered
If you want to know why sugar dissolves in water before salt, one of the best things for you to do can be to perform an experiment. This type of investigation doesn't necessary need an elaborate scientific laboratory. All you need are some transparent plastic containers for the water, carefully-measured quantities of salt and sugar, and water which is kept at a constant temperature for the duration of your investigation. Once this has been arranged, you'll be in a position to evaluate the interactions that sugar and salt molecules have with water. You may find sugar dissolves first because of the quantity of the sugar, the type of liquid you are using (is it tea, coffee or normal water?), and the temperature of the liquid to begin with.

Also, you have omitted a key piece of information when outlining your experiment: Are you using sugar cubes or are you using granulated forms of sugar that come in one-kilo bags? It's quite fair to say that the dissolution time will vary considerably considering how the molecules are clustered.

Indeed, if you haven't really been too organised when conducting the experiment, you should think about your lack of control with the variables could influence the result. For example, if you are dissolving salt in hot water but sugar in cold water, it may give you an inaccurate result that will make it quite difficult to compare the two with ease.

For more advice, visit specialist science websites likewww.infoplease.com/cig/science-fair-projects/salt-sugar-diss or talk to your science tutor for more information.
Aisha Profile
Aisha answered
Sugar dissolves in water faster than salt because of the structure and bonding of its atoms. The atoms of Sugar are bound very loosely whereas the atoms of salt are tightly bonded as compared to the sugar atoms. That is why sugar dissolves faster than salt.
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Anonymous answered
Because sugar is a molecular compound.  Salt is an ionic compound, which dissolves less quickly because its molecules are harder to break down
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Anonymous answered
Because it weighs less and the water can dissolve sugar better...salt is too thick.
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Anonymous answered
It's lighter
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Anonymous answered
I did the same experiment and in mine the salt dissolved faster it was weird though all the sugar went to the bottom of the Glass so maybe you weren't looking close enough and the salt really did dissolve faster

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