How many milliliters of 0.113 M HBr should be added to 52.2 mL of 0.013 4 M morpholine to give a pH of 8.00?

A 2.00 L solution contains 0.545 M NH3 and 0.641 M NH4A.  (The Kb of NH3 is 1.86⋅10−51.86⋅10-5). What is the pH of this solution?   What is the pH of this solution after 0.121 mol of HCl are added to the solution?   What is the pH of this solution after 0.242 mol of HCl are added to the solution?

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How many milliters of 1.0 M NaOH must be added to a 200 mL of 0.10 M NaH2PO4 to make a buffer solution with a pH of 7.50?

If 50.00 ml of 1.00 M HC,H;O2 (K, = 1.8 x 105) is titrated with 1.00 M NaoH. What is the pH of the solution after the following volumes of NaOH have been added? wwww a) 0.00 ml b) 25.00 mL c) 49.90 mL d) 50.10 mL

20. mL of 0.250 M NH3 is titrated with 0.500 M of HCl solution, what is the pH of the resulting solution when 0mL, 5.0 mL, 10.0 mL and 12 mL of HCl was added into the NH3solution? KB(NH3) = 1.8 x 10-5

Consider the titration of 90.0 mL of .141 M Ba(OH)2 by .564 M HCl. Calculate the pH of the resulting solution after 11.0 mL and 27.0 mL of HCl have been added

If 26.5 mL of 4.7 ✕ 10-4 M HI is added to 35.0 mL of 4.4 ✕ 10-4 M KOH, what is the pH of the solution?

10. 0.02 mole of NH,OH and 0.03 mole of NH,Cl are mixed in 300 ml, what is the pH of the solution? Kb = 1.8 X 10s

We have 500.0 mL of a buffer solution which is 0.651 M in NH3 and 0.354 M in NH4Cl. 500.0 mL of a 0.224 M HCl solution are added. The final volume is 1.0000 L. The Kb value for NH3 is 1.8 x 10-5. What is the final pH of this solution?