the pH and [s2-1 in a 0.21 M H2S solution. Assume Ka,-1.0x10-7. Ka,-1.0x10-19. Calculate pH [s2-] Calculate the pH of a...
Calculate the pH and [S2-] in a 0.15 M H2S solution. Assume Ka, 1.0 x 10-7, Ka2 = 1.0 x 10-19. pH s2-1 Need Help? Read It Supporting Materials ■ Supplemental Data Periodic Table Constants & Factors 7. -6.25 points ZumChemP8 7.E.098. Calculate the pH of a 3.4x 10-3 M solution of H2SO4
Calculate the approximate pH of an aqueous solution of H2S , 0.05 M, and H3PO4, 0.21 M at 25°C. (Note: consider one decimal place for the pH answer.) pKa H2S/HS- = 7.02, pKa HS-/S2- = 13.99 pKaH3PO4/ H2PO4- =2.15, pKaH2PO4-/HPO42-=7.15, pKa HPO42-/ PO43- =12.38
Calculate the pH of a 0.982 M solution of hydrogen sulfide (H2S) Where: H2S (aq) -> H+ (aq) + HS- (aq) Ka1 = 1.0 x 10-7 HS- (aq) -> H+ (aq) + S2- (aq) Ka2 = 1.0 x 10-19 Enter your answer with at least 2 sig figs.
Calculate the pH and the equilibrium concentration of S2- in a 7.90×10-2 M hydrosulfuric acid solution, H2S (aq). For H2S, Ka1 = 1.0×10-7 and Ka2 = 1.0×10-19
calculate ph of HCL 1.0x10^-7 M
7. Calculate the pH of a 2.7 M hydrofluoric acid solution. HF has a Ka = 6.6 x 104, Answer= PH=1.37 Need to know the steps
Calculate the pH of a 0.002 M H2SO4 solution. Ka for H2SO4 is 1.2*10^-2.
a. A buffer solution is 0.480 M in HClO and 0.367 M in NaClO . If Ka for HClO is 3.5×10-8 , what is the pH of this buffer solution? b. A buffer solution is 0.481 M in H2S and 0.294 M in NaHS. If Ka1 for H2S is 1.0x10^-7, what is the pH of this buffer solution?
1) An aqueous solution contains 0.280 M NaHS and 0.128 M H2S. The pH of this solution is _____ 2) A buffer solution is 0.321 M in H2SO3 and 0.328 M in NaHSO3. If Ka for H2SO3 is 1.7×10-2, what is the pH of this buffer solution? pH = ________
1. Calculate the pH of each solution. a) [H20*=1.7x10-8 M b) [H3O+]=1.0x10-?M c) [H30+1=2.2x10M 2. Calculate the pH of each solution. a) [OH-]=1.9x10-7M b) [OH"]=2.6x10-8 M c) [OH"]=7.2x10-'M 3. Calculate the pH of each solution: a) 1.28x10-M KOH b) 1.54x10-*M Sr(OH)2