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4. What is the concentration in molarity, M, of total sodium ions (Na+) in the base mineral media described in Table 1.1?
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- (1). What is the meant by hardness of water? Explain the difference between temporary and permanent hardness?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.(2) Jlhäi what is the Normal concentration of a solution that is 4 percent KHSO4 by weight and has specific gravity of 1.03 (K=39 , S= 32, O= 16 , H=1) 0.26 0.29 0.32 0.35
- Calculate the concentration of Ca**, Cl in mM/L and meq/L; and hardness in mg/L as CaCO3 produced by the addition of 200 mg/L CaCl, to pure water. 4:39 PMA 786 mLmL NaClNaCl solution is diluted to a volume of 1.19 LL and a concentration of 3.00 MM . What was the initial concentration C1C1C_1?cium chloride per liter. Express the centration in terms of milliequivalents of calcium chloride (CaCl2-2H20-m.w 147) per liter. con- 27. How many milliequivalents/of potassium would be supplied daily by the usual dose (0.3 mL three times a day) of saturated potassium iodide solution? Saturated po- tassium iodide solution contains 100 g of potassium iodide per 100 mL.oluce 28. An intravenous solution calls for the addi- tion of 25 mEq of sodium bicarbonate. How many milli 4%
- Caleulate the format and Molar concentrations of the constituents in 2-30g of othanot(g-fwa46u4in 3-Belitresof aqueoust Solutionsolute 0.147 g C6H7NaO6 molar mass 198.11, dissolves in 50.00 mL, absorbance of solution 0.862, absorbance of standard 0.863 calculate moles of solute, volume of solution (L), %m/v, M, % error1.5m 6A 200. mL solution that is 6.7 x 104 M in Cu²+ is mixed with 0.30 mole NH3. There is no change in volume as NH3 is bubbled in. What is the final [Cu]? Kf Cu(NH3)42 = 5.6 x 10¹¹ 124 . Kover= ksp kf 5." -9 Cu2++NH₂ CU(NH3) 4² 2+
- 14- How many milliliters of concentrated hydrochloric acid, 38.0% (wt/wt), specific gravity 1.19, are required to prepare 1 L of a 0.100 M solution? 15- Caleulate the molar concentrations of 1.00-mg/L solutions of each of the following. (a) AgNO3, (b) Al2(SO)3. (c) CO2, (d) (NH,Ce(SO)4. 2H,O, (e) HCI, () HCIO 16- How many grams NaCl should be weighed out to prepare 1 L of a 100-mg/L solution of (a) Na" and (b) CI ? 17- What volume of 0.50 MH.SO, must be added to 65mL of 0.20 M H SO, to give a final solution of 0.35 M? E What is the molar concentration of NO, in a solution prepared by mixing 50.0 L of 0.050 M KNO, with 40.0 mL of 0.075 M NaNO,? What is pNO; for the mxture? 25When a Vitamin C (ascorbic acid; MM = 176.12 g mol-1) tablet is crushed, dissolved and titrated with 0.0340 M KIO3(aq) to a purple/blue endpoint (given by a starch indicator), the volume of KIO3 used is 29.80 mL. If 60 mg of ascorbic acid is the recommended dietary allowance (i.e., 100% of the RDA), then what is the % RDA for the Vitamin C in the tablet? KIO3(aq) + 5 KI + 6 H+ → 3 I2(aq) + 3 H2O I2 (aq) + ascorbic acid → 2 I- + dehydroascorbic acidMass solute needed to prepare 0.500L of 0.2 M NaCO3 from a solid NaCO3 with a purity of 92.0wt%