10. If you titrate 10.0 mL of 0.25 M morpholine (C_H,ONH, PK. = 5.51) with 0.10...
4. You are titrating 100 ml of a 0.25 M solution of acetic acid (pk. = 4.75) with a 1.25 M solution of NaOH. What is the pH of the solution after you have added 10.0 ml of the NaOH?
A 10.0 mL sample of 0.25 M NaOH(aq) is titrated with 15.0 mL of 0.10 M HCl(aq) (adding HCl to NaOH). Determine which region on the titration curve the mixture produced is in, and the pH of the mixture. Assume that the volumes of the solutions are additive. 1)After adding the HCl solution, the mixture is [select one](before, After, at) the equivalence point on the titration curve. 2)The pH of the solution after adding HCl is [select one](7.00,1.40,11.00,12.60).
You titrate 15 mL of a 0.10 M solution of methylamine (pkb = 3.36) with a titrant that is 0.10 M HCl. What is the pH at the midpoint (halfway point) of the titration? Select one or more: a. Cannot be determined from given information b.pH = 11.04 c.pH = 7.00 = d. pH = 10.64 e.pH = 3.36 You titrate a 25 ml sample of 0.10 M ammonia (Ko = 1.8 X 105) with 0.15 M HNO3. At the...
1) 7. 10.0 mL of 0.10 M HBr is mixed with 10.0 mL of 0.10 M HCOOH. What is the pH? 2) 15. Calculate the pH of a solution containing 2.5 x 10 –2 mol of nicotinic acid (a monoprotic acid dissolved in 350 mL of water. ( K a = 1.1 x 10 -5 ) 3) A 1.0 L buffer solution is made up of 0.15M NaF and 0.20 M HF ( pK a = 3.17) . 0.05 mol...
show all work Consider that 20.0 mL of 0.10 M HA (an arbitrary weak acid, Ka= 2.5 × 10−6) is titrated with 0.10 M NaOH solution. The ionization of HA in water occurs as the following. HA (aq) + H2O(l) ⇌ A (aq) + H3O (aq) The neutralization reaction between HA and NaOH can be expresses as the following. HA (aq) + NaOH (aq) NaA (aq) + H2O (l) Answer the following questions. A) What will be the initial...
The Ka for HOBr is 2.8 x 10 ^-9. You titrate 20.0 mL of a 0.400 M HOBr solution using a 0.400 M NaOH. What is the pH after 10.0 mL of NaOH have been added (1/2 equivalence pt) and after 22.0 mL of NaOH have been added (overshot endpoint)? pH after 10.0 mL of 0.400 M NaOH = pH after 22.0 mL of 0.400 M NaOH = (total volume = 42.0 mL)
A 100.0 mL sample of 0.10 M NH3 is titrated with 0.10 M HNO3. Determine the pH of the solution after the addition of 150.0 mL of HNO3. The Kb of NH3 is 1.8 × 10-5.
a. What's the pH after 10.0 mL of 0.10 M HCl is added to a 1.0-L buffer solution composed of 0.050 M HC3H5O3 and 0.025 M NaC3H5O3 b. Where in the titration process is a 30.0 mL of 0.10 M selenous acid, H2SeO3 with the addition of 22.5 mL of 0.20 M NaOH?
The pK, of hypochlorous acid is 7.530. A 51.0 mL solution of 0.149 M sodium hypochlorite (NaCl) is titrated with 0.301 MHCI. Calculate the pH of the solution after the addition of 10.0 mL of 0.301 M HCI. pH - 6.82 Calculate the pH of the solution after the addition of 26.2 mL of 0.301 M HCI. pH 7.24 Calculate the pH of the solution at the equivalence point with 0.301 M HCI. pH = 7.2246
A 20.0-mL sample of 0.25 M HNO3 is titrated with 0.18 M NaOH. What is the pH of the solution after 25.0 mL of NaOH have been added to the acid