A 12.0 wt% solution of CaCl2 (110.98 g/mol) has a density of 1.107 g/mL. What is the mass, in milligrams, of a 15.4 mL solution of 12.0 wt% CaCl2 in miligrams?  b.) What is the mass in grams of CaCl2 in 435.6 mL of a 12.0 wt% solution of CaCl2?  c.) What is the formal concentration of CaCl2 in molarity of the 435.6 mL solution of 12.0% CaCl2?

Chemistry: Principles and Reactions
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ISBN:9781305079373
Author:William L. Masterton, Cecile N. Hurley
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1-----a.) A 12.0 wt% solution of CaCl2 (110.98 g/mol) has a density of 1.107 g/mL.

What is the mass, in milligrams, of a 15.4 mL solution of 12.0 wt% CaCl2 in miligrams? 

b.) What is the mass in grams of CaCl2 in 435.6 mL of a 12.0 wt% solution of CaCl2? 

c.) What is the formal concentration of CaCl2 in molarity of the 435.6 mL solution of 12.0% CaCl2? 

 

2----a.) How many milliliters of a solution that is 11.21% (w/w) HNO3 with a density of 1.2000 g/mL should be diluted to make 3.00 L of a 0.225 HNO3 solution?
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