Mark these statements as being True or False for a binary mixture of substances A and B.
(a) The density of a mixture is always equal to the sum of the densities of its constituents.
(b) The ratio of the density of comporient A to the density of component B is equal to the mass fraction of component A.
(c) If the mass fraction of component A is greater than 0.5, then at least half of the moles of the mixture are component A.
(d) If the molar masses of A and B are equal to each other, then the mass fraction of A will be equal to the mole fraction of A.
(e) If the mass fractions of A and B are both 0.5. then the molar mass of the mixture is simply the arithmetic average of the molar masses of A and B.
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