1. A blood serum sample is analyzed and found to contain 102.5 µg Ca²*/mL serum. The density of the serum is 1053 kg/m²; AW Ca = 40.08. What is the Ca?* concentration, in terms of (a) molarity ? (b) meq Ca²* /L serum? (c) ppm Ca*2 by wt? 2. How many mL of a 0.250 M KCI solution must be diluted to 1.000 L so that the diluted solution (density = 1.00 g/mL ) is 400 ppm K* by weight ? (MW KA = 74.55; AW K = 39.10) 3. How many mL of 0.125 M C* must be reacted with 12.00 ml of 0.200 M MnO, if the redox products are Cn0? and Mn2* ?
1. A blood serum sample is analyzed and found to contain 102.5 µg Ca²*/mL serum. The density of the serum is 1053 kg/m²; AW Ca = 40.08. What is the Ca?* concentration, in terms of (a) molarity ? (b) meq Ca²* /L serum? (c) ppm Ca*2 by wt? 2. How many mL of a 0.250 M KCI solution must be diluted to 1.000 L so that the diluted solution (density = 1.00 g/mL ) is 400 ppm K* by weight ? (MW KA = 74.55; AW K = 39.10) 3. How many mL of 0.125 M C* must be reacted with 12.00 ml of 0.200 M MnO, if the redox products are Cn0? and Mn2* ?
Introductory Chemistry: A Foundation
9th Edition
ISBN:9781337399425
Author:Steven S. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Donald J. DeCoste
Chapter15: Solutions
Section: Chapter Questions
Problem 27QAP
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