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A solution is prepared by mixing 75 g of methanol (CH3OH,32.04 g/mol) with 25 g of ethanol (CH3CH2OH,46.07 g/mol) .Use the following data to determine the vapor pressure of this solution at 20 C.
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The difference between revenue and the cost of goods sold, indicating the profitability of selling goods.
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Direct Expense
Costs directly attributable to the production of goods or services, such as materials and labor.
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