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solution contains 7 5 % of ethanol ( CH&O ) by mass and the rest is water.a . What is the density of the solution

solution contains 75% of ethanol (CH&O) by mass and the rest is water.a. What is the density of the solution if there is 15 mol of ethanol per liter of solution?b. To prepare a 3.5L of 2M ethanol, how many milliliters of the solution is needed?c. After preparing the solution in question (b), teacher want you to dilute the solution to 5 times, 10 times and 50 times. How do you prepare those solution?

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