Question

5. Differentiate between the following.
(a) Molar mass and formula unit mass
(b) One mole and one a.m.u.
(c) Compound and mixture. (3)​

Answer 1

Answer:

a) Formula mass is defined as the sum of atomic masses of the ions present in the formula unit of an ionic compound while molecular mass is the sum of the atomic masses of the atoms in a molecule

B) one mole of one thing does not weigh the same as one mole of something else. Atoms and molecule mass is measured in amu. One amu is equal to one gram per mole. This means that if an atom has a mass of one amu, one mole of this atom weighs one gram

c) A mixture is formed when two or more substances are physically mixed together. A compound is formed when two or more substances are chemically combined through a chemical reaction

Explanation:

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