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BIU*. ** Efx as I What is the pH of a 0.12 M solution of hydroxylammonium...
What is the pH of a 0.33 M solution of hydroxylammonium bromide (NH3OHBr)? Kb for hydroxylamine (NH2OH) is 6.6 × 10^-9 1. 2.911 2. 3.001 3. 3.281 4. 3.391 5. 18.33 6. 3.151 7. 9.669 8. 4.331 I got 9.669 but its not right.
Hey! Can you please help me with the following two questions I am highly confused and I don't really understand them at all. Thank you!! 16, Please help me with them, we have a test this thursday and problems that are similar are supposed to be on there. Thank you so much!!! 1.Calculate the pH of a 0.119 M aqueous solution of hydroxylamine (NH2OH, Kb = 9.1×10-9) and the equilibrium concentrations of the weak base and its conjugate acid. pH...
What is the pH of an aqueous 0.083 M hydroxylamine, HONH2, solution? Hydroxylamine is a basic substance when dissolved in water. Kb(HONH2)=1.1e-8.
3. A solution is prepared by treating 50 mL of 0.50 M HF (Ka = 6.6x10 ) with 10 mL of 1.15 M NaOH. Calculate the pH of the solution. 4. If enough NaOH is added to the solution in problem 3 to neutralize the HF, what will the pH be? 5. 42.16 mL of a solution of NaOH are required to neutralize 0.7878 g of potassium hydrogen phthalate (Mwt = 204.23 g/mol). Calculate the molar concentration of NaOH in...
The Kb of hydroxylamine, NH2 OH, is 1.10 × 10^{-8}. A buffer solution is prepared by mixing 100 mL of a 0.37 M hydroxylamine solution with 60 mL of a 0.25 M HCl solution.Part AFind the pH of the resulting solution.
Part 1 (a) Calculate the pH at 25°C of a 0.10 M solution of a weak base with a Kb of 2.6 ×10−11 Part 2 (a) Calculate the pH for each of the following solutions at 25°C. (b) 0.12 M NH3 (Kb for NH3 = 1.8 ×10−5) (c) 0.050 M C5H5N (pyridine). (Kb for pyridine = 1.7 × 10−9)
Which 0.1 M solution of compounds below has the highest [H30*): formula Kb Name Hydroxylamine NH2OH 9.1x10-9 Isoquinoline C9H7N 2.5x10-9 Caffeine C8H10N402 4.1x10-4 Diethylamine (C2H5)2NH 6.9x10-4 Dimethylamine (CH3)2NH 5.9x10-4 O Diethylamine Hydroxylamine Isoquinoline Caffeine Dimethylamine
hydroxylamine is a weak base with kb=7.96. determine the pH of 0.742 M hydroxylamine solution (to 2 decimals)
i need help with both :(
33. What is the pH of a 0.75 M Benzoic Acid (HC H3O2) solution? Ka for Benzoic Acid is 6.4 x 10-5 34. What is the pH of a 0.040 M Pyridine (CsH5N) solution? Kb for Pyridine is 1.7 x 10-9
What is the resulting pH when you combine 75.0 mL of a 0.12 M solution of NaOH and 83.0 mL of a 3.9 M solution of acetic acic acid has a Ka = 1.8 x 10-5. HINT: Find the concentrations first, then plug into an ice table. Make sure you know the total volumel