1. For the strong acid solution 0.0098 M HClO4, determine [H3O+] and [OH−]. Express your answers using two significant figures. Enter your answers numerically separated by a comma. For this solution determine pH. 2. For the strong acid solution 7.5×10−3 M HBr, determine [H3O+] and [OH−]. For this solution determine pH. 3. For the strong acid solution 3.77×10−4 M HI,...
Write the balanced net ionic equation for the reactions that occur when the given aqueous solutions are mixed. Include the physical states. A. silver nitrate, AgNO3 , and magnesium bromide, MgBr2 net ionic equation: B. perchloric acid, HClO4 , and potassium hydroxide, KOH net ionic equation: C. ammonium sulfide, (NH4)2S , and cobalt(II) chloride, CoCl2 net ionic equation:
Calculate buffer pH after adding strong acid or strong base. Close Problem Determine the pH change when 0.064 mol HClO4 is added to 1.00 L of a buffer solution that is 0.309 M in HNO2 and 0.262 M in NO2-. pH after addition − pH before addition = pH change =
Determine the pH of each solution. Part A 4.6×10-2 M HI Part B 8.43×10−2 M HClO4 Part C a solution that is 4.3×10−2 M in HClO4 and 5.6×10−2 M in HCl Part D a solution that is 1.11% HCl by mass (Assume a density of 1.01 g/mL for the solution.)
A. Hydrochloric Acid Solution and pH 1. Write the balanced chemical reaction for the dissociation of the hydrochloric acid. 2. Refer to the procedure for A to determine the concentrations of the solutions of hydrochloric acid. Remember to use MiV1-MV. Show work for trial 1. 3. Calculate the theoretical pH of each hydrochloric acid solution. Recall that hydrochloric acid is...
Claculate the following values for a 5.50 L HClO4 solution whose pOH is 11.09 [H3O+]eq = ? [OH-]eq = ? [HClO4]o = ? pH = ?
In an acid-base titration experiment, a NaOH(aq) solution with a known concentration of NaOH is used to titrate a given volume of an HClO4(aq) solution. At the equivalence point, (A) the volume of added NaOH(aq) equals the volume of HClO4(aq). (B) the concentration of HClO4(aq) equals the concentration of NaOH(aq). (C) the added amount (mol) of NaOH(aq) it just enough...
a solution of HClO4 was standardized by dissolving 0.4008g of primary standard grade HoG in a solution of ONe. the liberated ON consumer 43.75ml of the acid. Calculate the molar concentration of the HClO4
If the following equation, Cr+3 + HClO4 ----------- Cr2O7-2 + Cl-, is balanced by the ion-electron method in acid solution, a correct term in the balanced equation is
1- Determine the pH during the titration of 39.4 mL of 0.374 M triethylamine ((C2H5)3N , Kb = 5.2×10-4) by 0.374 M HClO4 at the following points. (a) Before the addition of any HClO4 (b) After the addition of 16.2 mL of HClO4 (c) At the titration midpoint (d) At the equivalence point (e) After adding 55.6 mL of HClO4