[OH-] = [NaOH] = 6.00 M
use:
pOH = -log [OH-]
= -log (6)
= -0.7782
use:
PH = 14 - pOH
= 14 - -0.7782
= 14.7782
Answer: 14.78
pH-121-3.48x 10 = 1.54 xw PH = 13.4 4.) Calculate the pH of the 6.00M sodium...
3.) Calculate the pH of a 0.398M sodium hydroxide solution. (This will take 2 steps). - VII
a) Calculate the pH of 1.54 MCH3CO2H? b) Calculate the concentration of H3O+ in 1.54 MCH3CO2H? c) Calculate the concentration of CH3CO−2 in 1.54 MCH3CO2H? d) Calculate the concentration of CH3CO2H in 1.54 MCH3CO2H? e) Calculate the concentration of OH− in 1.54 MCH3CO2H? f) Calculate the pH of 0.0229 MCH3CO2H? g) Calculate the concentration of H3O+ in 0.0229 MCH3CO2H? h) Calculate the concentration of CH3CO−2 in 0.0229 MCH3CO2H? i) Calculate the concentration of CH3CO2H in 0.0229 MCH3CO2H? j) Calculate the...
4. Calculate the volume of 1 M sodium hydroxide (NaOH) needed to prepare 10 ml of a 0.10 M sodium hydroxide solution. 5. Calculate the volume of 1 M hydrochloric acid (HCI) needed to prepare 10 mL of a 0.10 M hydrochloric acid solution. 6. Determine the volumes of 0.10 M CH3COOH and 0.10 M CH3COONa required to prepare 10 ml of the following pH buffers. (Note: the pka of CH3COOH =4.7) C. pH 3.7 b. pH 47 C. pH...
1)What is the pH of an aqueous solution of 5.51×10-2 M sodium hydroxide? pH =_____ 2)The pH of an aqueous solution at 25°C was found to be 7.30. The pOH of this solution is ______. The hydronium ion concentration is ______ M. The hydroxide ion concentration is ______ M. 3)The hydronium ion concentration in an aqueous solution at 25°C is 3.1×10-2M. The hydroxide ion concentration is ____M. The pH of this solution is ____. The pOH is _____ .
Calculate the [H3O+] and [OH−] of a sodium hydroxide solution with a pH = 12.00.
Calculate the [H30*] and [OH-] of a sodium hydroxide solution with a pH = 10.00. [H;0"]=_ Tx 10 cele pv [OH-] = x 10 Gelen
a) An aqueous solution contains 0.421 M nitrous acid. Calculate the pH of the solution after the addition of 5.79×10-2 moles of sodium hydroxide to 255 mL of this solution. (Assume that the volume does not change upon adding sodium hydroxide) b) An aqueous solution contains 0.421 M nitrous acid. Calculate the pH of the solution after the addition of 5.68×10-2 moles of sodium hydroxide to 250 mL of this solution. (Assume that the volume does not change upon adding...
4. Calculate the pH of an 8.27 x 10-3M solution of sodium cyanide, NaCN.
Calculate how to prepare 750 ml of 0.25 M sodium formate buffer
at pH 4. Use your textbook to determine the molecular weight and
pKa of the acid and base. Calculate the grams of sodium formate and
number of milliliters of formic acid required. THEN using this
stock solution, calculate and describe how you would prepare 100 ml
of a 10 mM formate buffer, pH 3.5. By the way, what is the molarity
of formic acid?
with pH 7.6 and...
1. An aqueous solution contains 0.395 M hydrocyanic acid. Calculate the pH of the solution after the addition of 5.99×10-2 moles of sodium hydroxide to 255 mL of this solution. (Assume that the volume does not change upon adding sodium hydroxide) pH = 2. An aqueous solution contains 0.302 M acetic acid. Calculate the pH of the solution after the addition of 2.56×10-2 moles of potassium hydroxide to 125 mL of this solution. (Assume that the volume does not change...