If 0.2 M HCl is added to an equal volume of 0.4 M NaOH, what are the new concentrations of OH- and H3O+ ?
What is the pH of the solution when 0.2M HCl, 0.4M NaOH and 0.2 M HCN is mixed, assuming the volume is constant. (Ka(HCN)= 5x10-10)
How did they get these answers? How much volume of 0.2 M NaOH should be added to achieve the equivalence point? 50 mL 25 mL 20mL 15mL not listed here What's the pH of solution when you added 15 mL of 0.2 M NaOH solution to 30 mL of 0.1 M HCI solution? 16 2.8 3.8 4.8
A volume of 500.0 mL of 0.160 M NaOH is added to 575 mL of 0.200 M weak acid (K, the resulting buffer? 5.93 x 10). What is the pH of HA (aq) +OH (aq)HO) + A (aq) pH = QuestronT orA Calculate the pH of the resulting solution if 35.0 mL of 0.350 M HCl(aq) is added to 45.0 mL of 0.350 M NaOH(aq). pH Calculate the pH of the resulting solution if 35.0 mL of 0.350 M HCI(aq)...
if 10ml of 0.200 M Hcl is added to 30ml of 0.0500 M naoh, what is the ph of the solution?
Consider a titration at 25°C where 0.186 M NaOH is added to 0.107 M HCl. The initial volume of HCl solution is 63 ml. What would the pH be after the addition of 24 mL of NaOH? Submit Answer Tries 0/98 What would the pH be at the equivalence point? Submit Answer Tries 0/98 What would the pH be after the addition of 343 mL of NaOH? Submit Answer Tries 0/98
6. How many mL of 0.2 M sodium acetate should be added to 200 mL of 0.2 M acetic acid to make a buffer of pH 5.5? (refer to Table 2-2 on page 60 for pKa values). What is the molarity of the resulting buffer with respect to acetate (acetate + acetic acid)? 7. How many mL of 0.2 M HCl should be added to 50 mL of 0.2 M Tris base (Trishydroxymethyl aminomethane) to make a buffer of pH...
In a titration experiment, 11.4 mL of an aqueous HCl solution was titrated with 0.4 M NaOH solution. The equivalence point in the titration was reached when 13.0 mL of the NaOH solution was added. What is the molarity of the HCl solution?
A. If 200 mls of 0.02 M HCl is added to 800 mls of 0.2 M glycine buffer at pH 10.4, what is the resultant pH? (pK1 for Gly= 2.2, Pk2=9.4) B. What would the pH be if the same amount of HCl as in part A was added to 400 mls of water? C. If 200 mls of 0.02 M HCl is added to 300 mls of 0.5 M proline buffer at pH 11.6, what is the resultant pH?...
Question 1 20 pts Please prepare 20 mL of 0.2 M NaOH, given a stock solution of 0.6 M NaOH. State the precise amount of the 0.6 M NaOH used and the amount of diluent (H2O) added Question 2 20 pts Please prepare 500 mL of a 1/100 dilution of serum from a tube with a 1/10O dilution of serum. Please state the volume of the 1/10 dilution of serum used and the volume of diluents (H2O) used 20 pts...
Volume NaOH added Moles of NaOH added 0.00010 Concentration of NaOH-0.1 M Concentration of HC H10.-01 M a) What is the pH at equivalence point? b) What is the volume of N hat equivalence point? c) Moles of NOH at the equivalence point? d) Moles of HCHO at equivalence point? e) Find K. of HC HO Find pk of HC HO 000220 ellas