Contrast a mixture and a pure substance. In your answer be sure to explain what each is, how you can tell them apart, and supply an example for each.

Question

August Vang

Chemistry

17 December, 02:41

Contrast a mixture and a pure substance. In your answer be sure to explain what each is, how you can tell them apart, and supply an example for each.

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Bo Decker · Answer 1

A pure substance has a definite and constant composition. A pure substance can be either an element or a compound, but the composition of a pure substance doesn’t vary. Ex: salt or sugar

Mixtures are physical combinations of pure substances that have no definite or constant composition - the composition of a mixture varies according to who prepares the mixture. Ex: sand mixed with salt