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A buffer solution of hypochlorous acid HOCI and sodium hypochlorite NaOCI was created by combining 0.76...
A solution of household bleach contains 5.25% sodium hypochlorite, NaOCI, by mass. Assuming that the density of bleach is the same as water, calculate the volume of household bleach that should be diluted with water to make 500 0 mL of a pH = 10.26 solution. Use the Ka of hypochlorous acid found in the chempendix.
A buffer solution contains 0.76 mol of propionic acid (HC3H5O2) and 0.65 mol of sodium propionate (NaC3H5O2) in 3.40 L. The Ka of propionic acid (HC3H5O2) is Ka = 1.3e-05. (a) What is the pH of this buffer? pH = (b) What is the pH of the buffer after the addition of 0.18 mol of NaOH? (assume no volume change) pH = (c) What is the pH of the original buffer after the addition of 0.54 mol of HI? (assume...
A buffer solution contains 0.355 M hypochlorous acid and 0.347 M sodium hypochlorite. If 0.0243 moles of hydrochloric acid are added to 125 mL of this buffer, what is the pH of the resulting solution ? (Assume that the volume does not change upon adding hydrochloric acid) pH=?
The pK, of hypochlorous acid is 7.530. A 56.0 mL solution of 0.142 M sodium hypochlorite (NaOCI) is titrated with 0.292 MHCI. Calculate the pH of the solution after the addition of 8.44 mL of 0.292 M HCI. pH = Calculate the pH of the solution after the addition of 28.6 ml of 0.292 M HCI. pH = Calculate the pH of the solution at the equivalence point with 0.292 M HCI. pH =
A buffer solution contains 0.87 mol of hypoiodous acid (HIO) and 0.56 mol of sodium hypoiodite (Nalo) in 2.40 L. The Ka of hypoiodous acid (HIO) is Ka = 2.3e-11. (a) What is the pH of this buffer? pH = (b) What is the pH of the buffer after the addition of 0.50 mol of NaOH? (assume no volume change) pH = (c) What is the pH of the original buffer after the addition of 0.49 mol of HI? (assume...
Need help with these please :) Thanks What mass of sodium hypochlorite, NaOCI (molar mass 74.5 g/mol), must be added to 250 mL of 0.60 M HCIO (hypochlorous acid, K.-3.5 x 10"), in order to produce a solution having a pH of 7.257 (Ans. ; A 25.0-mL sample of 1.00 M NH, is titrated with 0.15 M HCl. What is the pH of the solation after 15.00 mL of acid have been added to the ammonia solution? K,-1.8 x 10'(Ans,pH-...
A solution of household bleach contains 5.25% sodium hypochlorite, NaOCI, by mass. Assuming that the density of bleach is the same as water, calculate the volume of household bleach that should be diluted with water to make 500.0 mL of a PH = 10.23 solution. Use the Ka of hypochlorous acid found in the chempendix.
The pKa of hypochlorous acid is 7.530. A 55.0 mL solution of 0.123 M sodium hypochlorite (NaOCl) is titrated with 0.261 M HCI. Calculate the pH of the solution after the addition of 8.24 mL of 0.261 M HCl. pH = Calculate the pH of the solution after the addition of 26.7 mL of 0.261 M HCI. pH = Calculate the pH of the solution at the equivalence point with 0.261 M HCl. pH =
The pKa of hypochlorous acid is 7.530. A 58.0 mL solution of 0.123 M sodium hypochlorite (NaOCl) is titrated with 0.255 M HCl. Calculate the pH of the solution after the addition of 8.48 mL of 0.255 M HCl. pH= Calculate the pH of the solution after the addition of 29.7 mL of 0.255 M HCl. pH= Calculate the pH of the solution at the equivalence point with 0.255 M HCl. pH=
The pk, of hypochlorous acid is 7.530. A 59.0 mL solution of 0.143 M sodium hypochlorite (NaOCl) is titrated with 0.264 MHCI. Calculate the pH of the solution after the addition of 9.91 mL of 0.264 M HCI. pH = Calculate the pH of the solution after the addition of 34.2 mL of 0.264 M HCI. pH = Calculate the pH of the solution at the equivalence point with 0.264 M HCI. pH =