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6. Given the solubility chart for salts from your class notes (ppt), determine whether each solution listed is saturated, unsaturated, or supersaturated.
30g KCl in 100g water at 40âC
25g Pb(NO3)2 in 50g water at 5âC
160g NaNO3 in 200g water at 10âC
7. What is the molality of a solution containing 85.0g NaCl in 2.0 kg water (density of water = 1g/mL)? How would this value compare to the molarity of this solution? What is the utility of molality as a concentration unit (why do we use it)? When do we use molality rather than molarity?
6. Given the solubility chart for salts from your class notes (ppt), determine whether each solution listed is saturated, unsaturated, or supersaturated.
30g KCl in 100g water at 40âC
25g Pb(NO3)2 in 50g water at 5âC
160g NaNO3 in 200g water at 10âC
7. What is the molality of a solution containing 85.0g NaCl in 2.0 kg water (density of water = 1g/mL)? How would this value compare to the molarity of this solution? What is the utility of molality as a concentration unit (why do we use it)? When do we use molality rather than molarity?
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papayaprofessorLv10
12 Oct 2022
Elin HesselLv2
29 Sep 2019
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