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- What is the Eh of a solution with 0.05 M Fe2+ and 0.0000002 M Fe3+ ? What is the Eh of a solution with 0.05 M Fe2+ and 0.05 M Fe3+? Standard Gibbs Free energies as follows... Fe3+……-8.56 Fe2+……-82.88This is all the information I was given.For water having a total alkalinity of 1.00x10^-3 mol/L and a pH of 10.34 what is the percentage contribution to alkalinity from CO32-? Please answer very soon will give rating surelyWhat is the percent strength (w/w) of a solution made by dissolving 62.5 g of potassium chloride in 187.5 ml of water?
- How many grams of sodium hydroxide do yiu need to neutralize 500mL of the acidic solution (pH 2.6)?A solution of H2SO4 is found to be 0.5172 N and 39.65 mL of it are equivalent to 21.74 mL of standard alkali solution. What is the N of the alkali and how many grams of sulfamic acid (HSO3.NH2) will 1.oo mL of it neutralize?The pKa of Cl3CCO2H is 0.64. What is the pH of a 0.580 M solution? What percentage of the Cl3CCO2H is dissociated?
- What is the pH of the solution after mixing 0.171 g of Mg(OH)2 (MW=58.321 g/mol) with 68.9 mL of 0.0569 M HCl? The resulting solution was diluted to 100 mL. Round your calculated value for pH to two figures to the right of the decimal point.Identify the buffer capacity of the solution by titration using 0.250 M NaOH. Calculate the buffer capacity (β) of the phosphate buffer that have prepared using the data gathered below (see attached image): ΔpH = _____________________ ΔVNaOH = ___________________ Moles of titrant = ____________ Buffer Capacity (β) = _________Calculate the pH of and pOH of 500.0 mL of a phosphate solution that is 0.255 M HPO4^2- and 0.255 M PO4^3-. (Ka for HPO4^2- = 4.2x10^-13 at 25°C
- Use the References to access important values if needed for this question. The pOH of an aqueous solution of 0.580 M nitrous acid, ( Ka(HNO2) = 4.5 x 10^-4) isGive the pH of 0.005 M C6H5O- (aq) at 298 K of the Ka for C6H5OH at the given T is 1.0 x 10-10The acid-dissociation constant at 25.0°C for hypochlorous acid (HClO) is 3.0 × 10-8. At equilibrium, the molarity of H3O+ in a 0.010 M solution of HClO is