Mixtures pt 2 F12

The mass percent 5 an aqueous kcl solu0on is 182 by

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Unformatted text preview: put in a 250 mL volumetric flask (add water to line) to obtain a 0.75 M solu0on? 3. What are the ion concentra0ons (M) in a solu0on prepared by dissolving 2.10 g solid Ba(OH)2 in 250 mL water?? 4. 300 mg of C6H6 is added to 600 mg C6H5CH3 and mixed. What is the molality of the solu0on? The mole frac0on? The mass percent? 5. An aqueous KCl solu0on is 18.2% by mass. What is the molality of this solu0on? 6. A 30% by mass solu0on of sulfuric acid has a density of 1.218 g /mL. What is the mole frac0on of H2SO4? The molarity of the solu0on? The molality? 7. Hydrochloric acid is sold as a concentrated aqueous solu0on. If the molarity of commercial HCl is 12.0 M and its density is 1.18 g /mL, calculate the following:...
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