A saline solution that is 0.9%(wt/vol) has a concentration of 1.0046g/mL solution. a. What is its molar concentration? b. What proportions of stock solution and water must be mixed to prepare 3% saline solution from 7%? c. For this solution, evaluate all the colligative properties.

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A saline solution that is 0.9%(wt/vol) has a concentration of 1.0046g/mL solution.
a. What is its molar concentration?
b. What proportions of stock solution and water must be mixed to prepare 3% saline
solution from 7%?
c. For this solution, evaluate all the colligative properties.

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