C2.1 compounds and mixtures

Question 1

Explain what is meant by the purity of a substance. The difference between scientific meaning of pure and everyday.

Answer 1

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Question 2

Recall how to use melting point data to distinguish pure from impure substances

Answer 2

I

Question 3

Describe what the relative formula mass of a compound is

Answer 3

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Question 4

Recall how to calculate the relative formula mass of a compound given its formula.

Question 5

deduce the empirical formula of a compound

Answer 5

M

Question 6

Explain that many is for materials are formulations of mixtures

Answer 6

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