H.W:- 1-Show by calculations how could you prepare the following solutions: a) 750 mL,of 0.172 FK,Cr,O, from the solid salt. b).50 litres of a solution that is 1 F in Na,SO, from solid Na,SO4- c) 2 litres of a solution that is 0.015 M in Na" from solid NaCl. d) 20 litres of a solution that is 0.202 M in Na) from a 2.42 F solution of NaSO4. 2- A solution of concentrated HCI has specific gravity of 1.185 and percentage is 36.5 % (w/w) HCI. Explain how 1.50 litres of approximately 0.3 F HCI should be prepared from the concentrated solution. 3- Describe the preparation of 400 mL of 6 F H;PO4 from the commercial solution which is 85% (w/w) H;PO4 and has density of 1.69 g/mL. 4- Describe the preparation of 200 mL of 3F H,SO4 from the concentrated solution which is 95% (w/w) H,SO4 and has density of 1.84 g/mL. 5- Calculate the formal concentration of 12% (w/w) CUSO4 solution which has density of 2. %メーx1000 1.13 g/mL. 6- A solution was prepared by dissolving 1.68 g of K,Fe(CN)6 in water and dilutins exactly to 500 mL. Calculate: a) the formal concentration of K4FE(CN),. nlete dissociation.

H.W:- 1-Show by calculations how could you prepare the following solutions: a) 750 mL,of 0.172 FK,Cr,O, from the solid salt. b).50 litres of a solution that is 1 F in Na,SO, from solid Na,SO4- c) 2 litres of a solution that is 0.015 M in Na" from solid NaCl. d) 20 litres of a solution that is 0.202 M in Na) from a 2.42 F solution of NaSO4. 2- A solution of concentrated HCI has specific gravity of 1.185 and percentage is 36.5 % (w/w) HCI. Explain how 1.50 litres of approximately 0.3 F HCI should be prepared from the concentrated solution. 3- Describe the preparation of 400 mL of 6 F H;PO4 from the commercial solution which is 85% (w/w) H;PO4 and has density of 1.69 g/mL. 4- Describe the preparation of 200 mL of 3F H,SO4 from the concentrated solution which is 95% (w/w) H,SO4 and has density of 1.84 g/mL. 5- Calculate the formal concentration of 12% (w/w) CUSO4 solution which has density of 2. %メーx1000 1.13 g/mL. 6- A solution was prepared by dissolving 1.68 g of K,Fe(CN)6 in water and dilutins exactly to 500 mL. Calculate: a) the formal concentration of K4FE(CN),. nlete dissociation.

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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