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How many molar of hydrogen ion are there in 0.1 M solution of nitric acid at 25°C ka for nktric acid is 4.5 ×10^-4
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- The following four diagrams represent aqueous solutions of four different acids with the general formula HA. Which of the four acids is the strongest acid?What is the freezing point of vinegar, which is an aqueous solution of 5.00% acetic acid, HC2H3O2, by mass (d=1.006g/cm3)?Determine the molarity of each of the ions present in the following aqueous salt solutions: (assume 100% ionization) (a) 2.57 M CuBr2 [cation+] = [anion-] = (b) 0.49 M NaHCO3 [cation+] = [anion-] = (c) 4.88 M K3AsO4 [cation+] = [anion-] = (d) 0.30 M (NH4)2SO4 [cation+] = [anion-] =
- Which symbol expresses the amount of solute by theamount of solution? Which symbol is the standard unit for expressinglarge quantities of small units? Which symbol expresses the concentration used inchemical reactions? Which symbol expresses the concentration used forvolumetric analysis? Which symbol expresses the concentration used when studyingproperties of solutions? CHOICES: M, N , m , n , Xdetermine the percent ionization of the following solutions of formic acid at 25°C: (а) 0.066 М _% (b) 3.7 х 10-4М x 10^__ % (Enter your answer in scientific notation.) (c) 1.65 MWhat is the mass (g) of the solution for the following: (a) 15.6ml of 0.155M NaOH (b) 135ml of 2.01M HNO3
- Determine the molarity of each of the ions present in the following aqueous salt solutions: (assume 100% ionization) (a) 1.63 M CuBr2Ions: Br2+ Br- Cu2+ Br+ Cu2- Br2- Cu2+ Cu2- [cation+] = [anion-] = (b) 0.87 M NaHCO3Ions: O3- NaHC+ CO32- NaH+ Na+ HCO3- [cation+] = [anion-] =Consider the reaction of 50.7 mL of 0.310 M NaC₇H₅O₂ with 50.0 mL of 0.245 M HBr. (Ka of HC₇H₅O₂ = 6.3 x 10⁻⁵) a)Write the net ionic equation for the reaction that takes place. (In terms of C, H2O, H3O+, O, H, H+, OH-) b) How many moles of C7H5O2- would be present before the reaction takes place? c) How many moles of H+ would be present before the reaction takes place? d)What species would be left in the beaker after the reaction goes to completion? e) How many moles of C7H5O2- would be left in the beaker after the reaction goes to completion? f) How many moles of HC7H5O2 would have been produced after the reaction goes to completion? g) What would be the pH of this soultion after the reaction goes to completion?0.2g NaOH is dissolved in water and the volume of the solution is reached to 100mL what is the molarity of NaOH? how many mL of 0.12 molar H2SO4 is need to neutralize this solution?
- The pOH of a solution is 9.33. Calculate the hydrogen ion concentration of the solution. Be sure your answer has the correct number of significant digits. [H] = 4.67 × 10 (×(...) 11 M x10 X ŚComplete the following table for aqueous solutions of ammonium sulfate:Prepare 50 mL of the following acid solutions by using the given 38% concentrated HCl and 98% concentrated H2SO4 solutions, respectively. (HCl = 1180 g/L; H2SO4 = 1840 g/L) (a) 10 N HCl (b) 5 N H2SO4
