What is the pH of a solution made by mixing 0.438 moles of HBr and 0.304 moles of KOH, where the resulting volume of the solution is 50.0 L?
What is the pH of a solution made by mixing 0.438 moles of HBr and 0.304...
What is the pH of a solution made by mixing 0.611 moles of HBr and 0.287 moles of KOH, where the resulting volume of the solution is 50.0 L?
Part A) A buffer solution is made that is 0.304 M in H2CO3 and 0.304 M in NaHCO3. If Ka1 for H2CO3 is 4.20 x 10^-7 , what is the pH of the buffer solution? pH = Write the net ionic equation for the reaction that occurs when 0.088 mol KOH is added to 1.00 L of the buffer solution. (Use the lowest possible coefficients. Omit states of matter.) PART B) A buffer solution is made that is 0.311 M...
4. Solution E was made by mixing 10.0 mL of 0.400 mol/L HBr with 10.0 mL of 0.400 mol/L KBr. The pKa for HBr is –8. A. What is the pH of solution E? B. Solution F was made by adding 1.00 mL of Solution E with 9.00 mL water. What is the pH of Solution F? C. Solution G was made by adding all of Solution F to 10.0 mL of 2.00 x 10-3 mol/L Ca(OH)2. What is the...
Calculate the moles of K2SO4 of a solution made by mixing 550.0mL 0.35M H2SO4 and 375.0mL 0.55M KOH. Assume 100% yield for both reactions. H2SO4(aq) + 2 KOH(aq) -> 2 H2O(l) + K2SO4(aq) H2SO4(aq) + 2 H2O -> 2 H3O+(aq) + SO42-(aq)
What is the pH of a solution made by mixing 40.00 mL of 0.100 M HCl with 35.00 mL of 0.100 M KOH? Assume that the volumes of the solutions are additive. 1.64 10.00 12.36 13.36 2.17
What is the pH of a solution prepared by mixing: 0.30 moles of acetic acid (Ka = 1.8 X 10-5) 0.15 moles of sodium hydroxide in 1.0 L of solution A. 4.44 B. 13.18 C. none of the above D. 0.82 E. 4.74
8. What is the pH of a solution made by mixing 29.00 mL of 0.15 M acetic acid with 39.00 mL of 0.15 M KOH? Assume that the volumes of the solutions are additive. Ka = 1.8 x 10-5 for CH3CO2H.
If the pH of a solution made by mixing 50.0 mL of a 0.35M formic acid with 35.0 mL of 0.45M sodium formate was determined to be 3.7, what is the pKa?
Determine the pH of a solution this is made by mixing 100.0 mL of a 0.250 M NaNO2 solution with 150.0 mL of a 0.375 M HNO2 solution and 50.0 mL of a 0.205 M HNO3 solution.
7. What is the pH of a solution made by mixing 29.00 mL of 0.15 M acetic acid with 29.00 mL of 0.15 M KOH? Assume that the volumes of the solutions are additive. Ka= 1.8 x 10-5 for CH3CO2H oka-loa 8x10