Question

20. Choose the member of each pair that should be the stronger acid and then write a brief justification for your choice. a. HBrO4, HBr b . PH3, H,S 21. Is the HCO, ion an acid, a base, both, or neither? Explain. 22. Write the equation that shows how the ions in acids act to neutralize the ions in bases during a neutralization reaction. 23. A NaOH solution contains 1.000 M NaOH solution. If 25.00 mL of this solution neutralizes 27.00 mL of a HCl solution of unknown concentration, a. what is the normality of the HCl? b. what is the molarity of the HCI?

Answer 1

11.0 miles 20. a) Horoy HBr lewww compared by the tut waited The acidity of troy and for can be stability of their conjugate bases. Broq u Brnpin O resonance stablised a t #Broy. more acidic than for. by PH3, H2SO H-P-H H P contains ab and is a a lone weak pair of electron lewis basent H2S H5 ² H + 415 t t s2- a acid weak : Has > PH₂ 21. that reacts both with HCO₃ is an acid and amphoteric ion a base an HCO₃ + tt Hož - 1200 det 2- tt + coz 2 Neutralisation Reactions are react with a base to 4. NaOH t the - - OH + Ht - from from an acid and water those produce Nace H2O in which a alt + H2O water Base base

Date Page 1.0M NOOH vs NaOH y te 25 ml 27 me a) At the equivalence meg of acid = point, meg of base 7 1.0825 N = = No x 27. 0.925 N 6 Molarity of as n=1 Hill = Normality of the = 0.925 N