Calculate the pH of the resulting solution if 23.0 mL of 0.230 M HCl(aq) is added to 33.0 mL of 0.230 M NaOH(aq). pH = Calculate the pH of the resulting solution if 23.0 mL of 0.230 M HCl(aq) is added to 13.0 mL of 0.330 M NaOH(aq). pH=
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- A 35 mL of solution of hydrochloric acid is neutralized by 15 mL of 0.5 M potassium hydroxide. What is the concentration of hydrochloric acid? The balanced equation is HCI + KOH - H,O + KCI O 0.75 M O 0.25 M O 0.214 M O 0.786 MA buffer contains 0.015 mol of lactic acid (pK₁ = 3.86) and 0.080 mol of sodium lactate per liter. H₂C OH Lactic acid OH Calculate the pH of the buffer. H₂C. Calculate the change in pH after adding 9.0 mL of 0.10 M HCl to 1.0 L of the buffer. O OH Sodium lactate Calculate the change in pH after adding 9.0 mL of 0.10 M HCl to 1.0 L of pure water. O Na+ buffer pH: buffer pH change: water pH change: units units80.00 mL of 0.350 M benzoic acid (K = 6.4×105) is titrated by 0.350 M NaOH. Calculate the pH of the acid solution before any titrant is added. PH Calculate the pH after 58.9 mL of 0.350 M NaOH is added to 80.00 mL of 0.350 M benzoic acid. pH = Calculate the pH after 80.00 mL of 0.350 M NaOH is added to 80.00 mL of 0.350 M benzoic ad pH = Calculate the pH after 110 mL of 0.350 M NaOH is added to 80.00 mL of 0.350 M benzoic acid. pH=
- You need to prepare an acetate buffer of pH 5.43 from a 0.621 M acetic acid solution and a 2.95 M KOH solution. If you have 730 mL of the acetic acid solution, how many milliliters of the KOH solution do you need to add to make a buffer of pH 5.43? The pKa of acetic acid is 4.76. Be sure to use appropriate significant figures.A 5% dextrose in 1/2 normal saline (D5 1/2 NS) solution is commonly administered to patients needing post-operative IV fluids. How could you prepare 500 mL of this solution? Dextrose is 5% (m/v) and the NaCl is 0.45% (m/v).Titration of a 12.0 mL solution of HCl requires 22.4 mL of 0.12 M NaOH. What is the molarity of the HCl solution?
- Determine the pH for the following solutions. {H3O+}=2.4x10^-2 MA 25.00 mL sample of 0.320 M LIOH is titrated with 0.750 M HNO3 at 25 °C. Calculate the initial pH before any titrant is added. pH = Calculate the pH of the solution after 5.00 mL of the titrant is added. pH =If a pharmacist needs to prepare a bacterial suspension with a concentration of 2.4x10^2 cfu using 1 mL of 2.4 x 10^4 bacterial suspension, what size of volumetric flask will she/he be needing?
- Consider the titration of 50.00 mL of 0.160 M NH3 with 0.200 M HCl. Calculate the pH at the following volumes of the titrant: VT = 0.00 (Initial Stage) VT = 20.00 VT = 30.00 VT = 40.00 (Equivalence Point Stage) VT = 45.00 Kb = 1.76 x 10-5Calculate the [OH-] and the pH of a solution with an [H] = 5.6 x 10-¹0 M at 25 °C. [OH-] = pH = Calculate the [H*] and the pH of a solution with an [OH-] = 0.059 M at 25 °C. pH = Calculate the [H] and the [OH] of a solution with a pH = 2.70 at 25 °C. [H*] = MWhat mass of sodium glycolate (NaC2H3O3) should be added to 400.0 mL of 1.00 M glycolic acid to produce a buffer solution with a pH of 4.00? Ka = 1.47 x 10-4. Please indicate the full solutions.