2/50lved its volume (4L)His faus(oin) Nafl from sollunchloride i was related dding one liter of water, what molarisolutions output? 155 Naz 27 -cl%=D35-5
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- Q/ Prepare 0.1 N and 0.1 M of 98% H,SO, in 250 ml. M.wt of H,SO, = 98 g/mol, and its Specific density (SP.gr.) = 1.09 .mol (M Which solution is the most concentrated? O 0.3 mole of solute dissolved in 200mL of solvent O 0.4 mole of solute dissolved in 100mL of solvent O 0.1 mole of solute dissolved in 400mL of solvent O 0.2 mole of solute dissolved in 300mL of solvent hp 23 $ % & @ 3 5 2 e d. a Cc 0OEagall 5olved its volume(4L)His focus() Nagl from sodiunchloride it was related by adding one liter of water, what molarisolutions output? Naz 23 cl=35-5
- ratio stuength (vv)? 2. f a pharmacist added 12 g of azelaic acid to 50 g of an ointment containing 15% azelaic acid, what would be the final con- centration of azelaic acid in the ointment? -ki solution wereQ1) A Sada- Lime Sample is g0% NaoH and 10% Cao. f 3 gm is dissolved in 250 ml, what is Hthe tutal normality of the Selutton as abase ? How many mililiters of 0.5N H2S4 woutd be required to titrate ioo me of the Solution? Ans. ( 0.309N, 60.59 ml)K/s 9:06 hw.pdf > Hw () Determine the melarity of e-ch of the folloning 2.25 kg of Cusoy in 1.45 Lof solusion O,006 mol. of Br, in lo mL of soleie O. s 0075 gm of C HHs Noz i n 1.osmL of solution Hint. The atomic numbers used in the above Problem ave O = 16 Cu: 29 Br: 35 K = 19 CI - 7 S: 16 Al: 13 N = 7
- Example: What is the volume of HCl which is needed to prepare 100 ml of solution has 6 M conc. if you know the % of HCl equal 37 % sp.g was 1.18 g /ml. M=2%- 1000 M.wt. 1000 11.96 36.5 M,V M;V: - 6. 100 - 11.96. V: The volume will dilute to 100 mlQs/ A 0.2121-g sample of pure Na,C,0, (134.00 g/mol) was t ed with 43.31 mL of KMnO;. What is the normality of the KMnO, solution? The chemical reac- tion is 2MnOj; + 5C,0i + 16H* — 2Mn?* + 10CO, + 8H,OA 15.0% by weight solution was prepared using 90.0g of KCl and the resulting density of the solution is 1.101g/mL. (MW KCl 74g/n). volume of solution(mL)? milliosmole of solute? %w/v? weight of solvent(g? N?
- 3- A sample of a solution weighing 850.0 g is knowno con potassium chlorice, What is the weight percent of potaSINm chloa in the solution? Ans. 1.96% n0203 moles of 4- Conc. HCl has a density of 1.19 g mL and is about weight HCI. The Molarity and norraality of the solution is: (a) 11.9 and 11.9 (c) 12.07 and 12.07 (d) 5.95 and 11.90 (b) 11.9 and 23.8 Show your calculations Ans (a)C. Electrolytes in Body Fluids 1. Type of IV Solution 5% Isolute P (mEa/L) Plasnalyte (mEg/L) Lactated Ringer's (mEg/L) Nal+ = 130 Klt = 4 Ca2+ = 3 Nal+ = 25 K+ = 20 Nal+ = 140 Kl+ = 5 2. Cations %3D %3D Mg+ = 3 Mg2+ = 3 CI- = 22 HPO- =3 Acl- = 23 CI- = 98 Glu'-= 23 Acl- = 27 3. Anions CI'- = 109 %3D HPO = 28 %3D %3D 4. Total Charge of Cations (+) 137 137 5. Total Charge of Anions (-) 6. Sum of the Charges Copyright 2014 Pearson Education, Inc.ECture 1_all.mp4 - Google Drive X A Classes u/0/c/M)Y1MDI1MT95MTM3 lute 50 mlL of the concentratc 00 mL Open with Describe the preparation of 750 mL of 6.00 M H;PO, frc.n the commercial reagent that is 86% H2PO, (w/w) and has a specific gravity of 1.71.