What is the molar concentration of Ba?+ present in 424 ppm of BaCl, :2H,0 (244.3 g/mol)...
What is the percent yield of 02 if! Molar Mass /gumor 46.5 g of Cdo produces 4.06g Co128.4 of O2(g)? 0 2Cdo(s) 2Cd(s)+ 08) 32.0 (A) 4.46% (B) 8.73% (C) 35.0% (D) 70.1% A 750 g sample of well water is found to contain 4.4 mg of arsenic. What is the concentration of arsenic in ppm? (B) 7.8 ppm (D) 590 ppm (A) 5.9 ppm (C) 78 ppm What is the theoretical yield of Molar Mass/g mol AICI3 if 2.0...
The solubility product constant for Ba(IO3)2 is 1.57×10-9 at 25 oC. What is the molar concentration of IO3- ions in a saturated solution of Ba(IO3)2? Assume an ideal solution at 25 oC. How many grams of Ba(IO3)2 (487.1 g/mol) can be dissolved in 1000 mL of pure water at 25 oC? How many grams of Ba(IO3)2 can be dissolved in 1000 mL of a 0.100 M KIO3 solution at 25 oC? Use activities for this calculation.
b. calculate the molar solubility(s) and from that the Ksp of Ba(OH)2 at 0*c. c. calculate the delta G* for the dissolution of Ba(OH)2 from the Ksp calculated in part b, at 0*c. Section: Date: Pre-Lab Questions 1. A 10.0 mL sample of Balohi, at Or is itrated with 200 M HCL and 5.22 ml of the acid are used to reach the yellow endpoint. a. Calculate the concentration of OH in the 10.0 mL sample of BalOH) at O'C....
5-10 molar concentration of NaOH solution is 0. 128 B. Molar Concentration of an Acid Solution Acid type HA HA HA Unknown No. Balanced equation for beutralization of acid with NaOH. 25.0 25.0 25.0 1. Volume of acid solution (m) 2 Buret reading of NaOH, initial (L.) 3. Buret reading of NaOH,final (mL) 4. Volume of NaOH dispensed (m) 5. Molar concentration of NaOH (MOVL). Part A 6. Moles of NaOH dispensed (mol) 7. Molar concentration of acid solution (mol/L)...
determine the molar concentration of each ion present in the solutions that result from each of the following mistures: A. 55.9 mL of 0.76 m Nacl and 84.0 mL of 1.31 M NaCL b. 120mL of 0.63 M HCl and 120 mL of 0.26 M HCI C. 35.3 mL of 0.331 M Ba(NO3)2 and 26.4 mL of 0.253 M AgNO3 D. 11.8 mL of 0.502 M NaCl and 20.5 mL of 0.169 M Ca(C2H3O2)2
determine the molar concentration of each ion present in the solutions that result from each of the following mixtures: a). 55.9 mL of 0.76 M Nacl and 84.0 mL of. 1.31 M Nacl b.) 120 mL of 0.63 M HCl and 120 mL of 0.26 M HCl c.) 35.3 mL of 0.331 M Ba(NO3)2 and 26.4 mL of 0.253 M AgNO3 d.) 11.8 mL of 0.502 M NaCl and 20.5 mL of 0.169 M Ca (C2H3O2)2
What would be for the mol reacted,, mol NH4X in sample, and yhr average molar mass? CALCULATIONS A. NaOH Preparation: Approximate molarity of NaOH 0.48 M B. NaOH Standardization: Trial # Mass of KHP E 1.7249 1.9569 1.8799 Volume of NaOH 18.58 L 20.58mLihat 19.71 mL Molarity of NaOH 0.4544 M 0.4654M 0. 3 M 0.4668M Average molarity of NaOH: 0.4668 M 0.4622 M C. Molar Mass of NH X Salt 1. Volume of NaOH 0.025 0.025 0.025L 2. Molarity...
An analytical chemist determines that a water sample contains 1.5 g/L of sulfate ion (SO4^2- ). What is the concentration in terms of a. gram/L of sulfur b. molar concentration of sulfate c. ppm (in dilute solutions 1ppm=1 mg/L)
reaction. oxung H Zn(s) + 2H*(aq) — Zn2+ (aq) + H2(g) Reducing Agent - 2n 10. When 1.00 L of a water sample was treated with excess Ba2+ ions, 4.00 g of BaCO3 was formed. What mass of carbonate ions was present in the original 1.00-L sample? holar mass Bacon -197.39 /mol 4.00 g of BaCO3 = 4.00/197.34 mol 133 11. Complete each of the following reactions: a. Ag +LiNO - Ao V03 law) 7 03) b. Zn + Cu(NO3),...
The density of a 8.01 m sulfuric acid solution is 1.354 g/mL. What is the molar concentration (molarity) of this solution? The molar mass of sulfuric acid, H2SO4, is 98.98 g/mol A. 6.07 M B.5.26 M C. 0.598 M D.4.20 M