Which of these is a pure substance and why? A Milk, because every portion of the matter is the same, and its components can only
1 answer:
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Explanation:
The mass of bromine is 79.904, and since there are two of them in the Calcium Bromide molecule, we'll multiply it by 2 to get 159.808. Dividing that by the full mass of the molecule then multiply it by 100 will give you the answer.
