7. (6 pts) Calculate the OH- concentration and pH of a 0.02 M ammonia solution.
7. (6 pts) Calculate the OH- concentration and pH of a 0.02 M ammonia solution.
7.(6 pts) Calculate the pH, [OH], and pOHl of a 0.0035 M HCl aqueous solution: 8. (6 pts) What are the [Hs0'1, (OH], and poH in a solution with a pH of 3.82? 9. (6 pts) What are the [H:0'], [OH], and pH in a solution with a pOH of 11.75? pH = pOH= , [OH'] = POH ' [OH'] = 10. (6 pts) Calculate the [H30, [OH1, and pH a 0.040 M Ba(OH)2 solution. [OH-11- pH=
Calculate the pH of a solution that has an ammonium chloride concentration of 0.059 M and an ammonia concentration of 0.047 M. K = 1.8 x 10-5 pH =
Question 6 Calculate the pH of a solution if the concentration of OH-is 2.67 x10^(-5) M (1 point) 14 4.57 9.43 None of the above
Calculate the pH of this solution molar concentration of OH− ions in a 0.085 M solution of ethylamine (C2H5NH2; Kb=6.4×10−4). [OH−] [OH−] = 7.1×10−3 M Calculate the pH of this solution. Express your answer to two decimal places.
7&8 please! Question 7 Calculate the pH of a solution if the concentration of OH-is 6.79 x10^(-8) M (1 point) O 14 O 6.83 O 7.17 O None of the above Question 8 Calculate the concentration of H+ ions if the pOH of the solution is 3.56. (1 point) O 1x10^(-14) M O 2.75 x10^(-4) M O 3.63 x10^(-11) M O None of the above
Calculate the pH of a solution with OH- concentration equal to 4.3x10-9 M. Is this solution acidic, basic, or neutral?
5. What is the pH of a solution with a OH concentration of 2.52 x 10'M? Is this solution acidic, basic, or neutral? Show the steps in your calculation. Answer 6. What is the pH of a solution with a H2O* concentration of 2.7 x 10 M? Is this solution acidic, basic, or neutral? Show the steps in your calculation. Answer 7. What is the pH of a solution with a OH concentration of 5.53 x 10-M? Is this solution...
REterencES Calculate the OH concentration and pH of a 1.8 x 10 M aqueous solution of sodium cyanide, NaCN. Finally, calculate the CN concentration. (Ka(HCN)= 4.9 x 10-10) M [Hol pH [CN )-
Calculate the hydroxide ion concentration, [OH−] , for a solution with a pH of 5.66 . [OH−]= M
Calculate the pH of a solution that has a hydroxide ion concentration, [OH−], of 3.96×10−8 M pH=