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Two substances A and B combine to form a mixture with a density of 1.028 g...

Two substances A and B combine to form a mixture with a density of 1.028 g / cm3. In the mixture, A is at 15% by weight. The molecular weights of A and B are 147 and 17 respectively. Calculate:
a) The specific gravity of the mixture with respect to water at 4 ° C.
b) The mole fraction of A in the mixture.
c) The density in lbm / gallon

d) the molarity with respect to A

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