Ans2. Option e is correct option
Ans. 18. Option C is correct Option
Complete answer of both parts is given in the picture. ,For any doubt feel free to ask in the comment box,Give it a Thumbs up, Thank-you!
2) How many grams of Nat would have to be added to 2.00 Lof 0.100 MHF...
17. A titration of 20.00 mL of 0.075 M HNO3 (nitric acid) with 0.0250 M NaOH is performed. The pH at 30.00 mL of NaOH added is (a) 1.02 (b) 1.82 (c) 7.00 (d) 3.55 (e) 10.5 18. A titration of 20.00 mL of 0.075 M HNO2 (nitrous acid) with 0.0250 M NaOH is performed. Given that K, for nitrous acid is 4.5 x 104, the pH at 30.00 mL of NaOH added is (a) 1.94 (b) 7.00 (c) 3.35...
12. How many grams of NaF must be added to 2.00 L of 0.100 M HF to yield a solution with a pH = 4.00 Note: Ka HF ...see question #8. a) 300 g b) 36 g c) 0.84 g d) 6.9 g e) 56.38 1 .18 10-5 and 0
How many grams of solid sodium nitrite should be added to 2.00 L of 0.210 M nitrous acid solution to prepare a buffer with a pH of 2.810? (Ka for nitrous acid = 4.50×10-4) g sodium nitrite
please answer both question. if cant please answer the question numer 3 2. How many grams of NaF would have to be added to 2.00 L of 0.100 M HF to yield a solution with a pH = 4.00? Assume the volume of the solution remains at 2,00 L after the NaF is added. (a) 300 g (6) 36 g (c) 0.84 g (d) 6.9 g (e) 60. g 3. What is the pH at the equivalence point in the...
How many moles of sodium hydroxide would have to be added to 150 mL of a 0.483 M hydrocyanic acid solution, in order to prepare a buffer with a pH of 9.030? moles An aqueous solution contains 0.477 M hypochlorous acid. How many mL of 0.257 M potassium hydroxide would have to be added to 125 mL of this solution in order to prepare a buffer with a pH of 7.040? mL Acid Formula Kal Ка? | Каз Acetic acid...