Question

36) Which one of the following is not a strong acid? (or a weak electrolyte?) a) HNO )HCI HI )HF e) HCIO Answer: 37) The is the conjugate species that remains after an acid donates a proton is called its conjugate base. What base of the hydronium ion, HO? B)HO C)HO D)H E HO'has no conjugate base. Answer: acid-base pair? 38) For the reaction shown below, which of the following is a conjugate acid A)CHsN, H:0 B) CsH,N, CsH,NH' C) CsHsNH, OH D) H:0, OH E) Both B and D Answer. Which of the following statements concerning acids and bases is TRUE? 39) A) All Bronsted-Lowry bases contain hydroxide. B) All Bronsted-Lowry bases contain hydronium C) A pH of 0 is considered neutral. D) The pH of a 12.0 M solution of HCI is-1.1. E) All buffer solutions operate at a pHH at or near 7. Answer 40) Which one of the following combinations can function as a buffer solution? D) HC104 and NaCo. A) HCI and KCI E) KHSO4 and H2SO B) NaHCO, and HCO, C) HNO, and NaNO, Answer: II) Problems 41) Which of the following solutions can act as a buffer? (a) KCVHCI (b) KHSO/H SO; (c) NazHPOu NaH PO (d) KNO/HNO2. 42) Classify each of the following species as a weak or strong acid (a) HNO, (b) HF, (c) H-SO4, (d) HSOi, (e) H COs, () HCO), (8) HCI, (h) HCN, 0) HNO.. 43) What is the HO concentration to the correct number of significant figures for solutions with the following pH values? (@) 0.00 (b) 7.00 (e)-0.20 (d) 15.18 (e)263 ( 10.756 (g)-0.42 (b) 1121 )6.96 44) Calculate the pH of each of the following solutions: (a) 0.0010 M HCL; (b) 0.16 M KOH; (c) 0.88 M NaOH;

Answer 1

due to HomeworkLib policy I am not able to solve more problems. We are bound with these policies. Please upload the remaining questions again.

HA--> H+ + A- Gamy ocid) To be aw weak acid, H-A bnd must ba atong Amamyot the aptimm Fmgl nd wpaket acid, hure Cacid) Am. option) Fynn definitirn寸Brustad-Lov S To be o buffer ue t add weak ncid+its nalt

Hope you find these answers useful.