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Chemistry, 07.12.2020 01:00 kinslou6506
6. A 25.0-mL sample of potassium chloride solution was found to have a mass of 25.225 g.
After the solution was evaporated to dryness, the mass of the KCl residue was 1.396 g.
Calculate the (a) mass/mass percent concentration and (b) molarity of the solution.
(a)
(b)
7. (optional) A hospital saline solution is 0.90% NaCl. What is the molar concentration of
0.00% caline (58 44 g/mol) solution? (Assume the density of the solution is 1.01 g/mL.)
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6. A 25.0-mL sample of potassium chloride solution was found to have a mass of 25.225 g.
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