Write a computer program in BASIC which can be used to calculate a value for the water activity of a solution?
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Write a computer program in BASIC which can be used to calculate a value for the water activity of a solution containing two sugars having mass fractions (percentage composition by weight expressed as a decimal) x1 and x2 . x1 is sucrose (molecular weight 342; k = 2.7); x2 is glucose (molecular weight 180, k = 0.5). The water activity of the mixture is aw = (aw1)^0 (aw2)^0 where (aw1)^0 is water activity of a solution containing all the water in the mixture and component 1; and (aw2)^0 is water activity of a solution containing all the water in the mixture and component 2. log10[(awi)^0 / fi] = −ki(1 − fi)^2 where fi is mole fraction of component i in a solution containing only component i and all the water present in the mixture. fi = 1 − [(xi/Mi) / ((xi/Mi) + ((1 − x1 − x2)/18))]
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Answer:
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