what is the ph of the following solutions?
150 g NH4CI dissolved into 10.0 mL of a 0.100 M NaOH. Assume a fine! volume of 10.1 mL.
NH3 kb= 1.8x10^5
what is the ph of the following solutions? 150 g NH4CI dissolved into 10.0 mL of...
Calculate the change in pH when 3.00 mL of 0.100 M HCl(aq) is added to 100.0 mL of a buffer solution that is 0.100 M in NH3(aq) and 0.100 M in NH4Cl(aq). NH3 Kb=1.8x10^-5 Calculate the change in pH when 3.00 mL of 0.100 M NaOH(aq) is added to the original buffer solution.
4. What is the pH if you take 10.0 ml of a 0.00464M NH3 (Kb=1.8x10-5) solution and add 0, 10.0, 19.9, 20.0, 20.1 and 30.0 ml of a 0.00232M HCl solution
5. You need to make 500.0 mL of a buffer with a pH of 2.20. You have the following substances to work with: 0.100 M NH3 Solid NaN3 Solid NaClO2 0.100 M HClO2 Solid NH4Cl Solid Na2SO3 0.100 M HN3 Solid NaHSO3 Ka for HClO2 = 1.1x10-2 Kb for NH3 = 1.8x10-5 Ka for HN3 = 1.9x10-5 Ka1 for H2SO3 = 1.7x10-2 Ka2 for H2SO3 = 6.4x10-8 (Assume that the addition of solid does not change the volume of the...
8-55 d. 10.0 g KOH, 425 mL JUIULUI For each of the following NaOH solutions, the volume of the solution and its molarity are given. Calculate the number of moles of NaOH present in each solution. a. 1.35 L solution, 0.300 M b. 0.800 L solution. 0.100 M c. 875 mL solution, 0.600 M M0000 d. 125 mL solution, 0.125 MOTO 1 the volume 2 III 8-57 Calculate the number of grams of NaOH needed to prepare each of the...
pH LI Calculate the pH of the following solutions: Solution (a) 0.10 M CH3COOH 12.9 (b) 0.10 M NH3 Mixture of 25.00 mL of 0.10 M HCl + 25.00 mL of 0.10 NaOH Mixture of 20.00 mL of 0.10 M NaOH + 20.00 mL of 0.10 M CHCOOH (e) Mixture of 20,00 mL of 0.10 M HCI + 20.00 mL of 0.10 M NH; Saturated Mg(OH)2 (s) aqueous solution if water's dissociation is negligible K[CH3COOH) = 1.8x10-Kb [NH:] = 1.8*10-9;...
What is the pH of a solution made by adding 10.0 mL of 0.10 M HCl to 25.0 mL of 0.10 M NH3? Kb of NH3 is 1.8 X 10-5.
1.) Rank the following titrations in order of increasing pH at the halfway point to equivalence (1 = lowest pH and 5 = highest pH). 100.0 mL of 0.100 M C2H5NH2 (Kb = 5.6 x 10-4) by 0.100 M HCl 200.0 mL of 0.100 M HC2H3O2 (Ka = 1.8 x 10-5) by 0.100 M NaOH 100.0 mL of 0.100 M HF (Ka = 7.2 x 10-4) by 0.100 M NaOH 100.0 mL of 0.100 M HCl by 0.100 M NaOH...
What is the pH of a solution prepared by mixing 50.00 mL of 0.10 M NH3 with 5.00 mL of 0.10 M NH4Cl? Assume that the volume of the solutions are additive and that Kb = 1.8 × 10-5 for NH3. (Select One) 10.26 or 11.13
1) Rank the following titrations in order of increasing pH at the halfway point to equivalence (1 = lowest pH and 5 = highest pH). 100.0 mL of 0.100 M KOH by 0.100 M HCl 200.0 mL of 0.100 M HC2H3O2 (Ka = 1.8 x 10-5) by 0.100 M NaOH 100.0 mL of 0.100 M NH3 (Kb = 1.8 x1 0-5) by 0.100 M HCl 100.0 mL of 0.100 M HI by 0.100 M NaOH 100.0 mL of 0.100 M...
answer is 3.8g
35. What is the amount of ammonium chloride that has to be dissolved in 190 mL of 0.189 M NH3 (Kb 1.8x10 5) to make it a buffer with a pH of 8.96, in grams?