The decomposition equations ofH2CO3(aq) and H2SO3(aq). are
H2CO3 --> H2O + CO2
H2SO3 --> H2O + SO2
Name the following acids. Acid Name HBr(aq) HCIO3(aq) H2S(aq) HNO3(aq) H2SO3(aq) H2Se(aq) H2CO3(aq) HIO4(aq) HBrO2(aq) HF(aq)
Identify the Brønsted−Lowry acid-base pairs in each of the following equations: Part A H2SO3(aq)+H2O(l)⇌HSO3−(aq)+H3O+(aq) Check all that apply. Check all that apply. H2SO3/H2O HSO3−/H2O H3O+/H2O H2SO3/H3O+ H2SO3/HSO3− HSO3−/H3O+
Consider the reaction: H2SO3 + HCO3- ----> H2CO3 + HSO3- If HCL is added to the buffer you proposed (H2SO3,HSO3-), show with a chemical equation how this buffer maintains the pH.
17. Which of these acids is the strongest? A) H2SO3 B) H2SO3 C) H2TeO3 18. Which one of these net ionic equations represents the reaction of a strong acid with a weak base? A) H(aq) + OH(aq) + H2O(aq) B) H(aq) + CH3NH2(aq) → CH3NH3(aq) C) OH(aq) + HCN(aq) → H2O(aq) + CN-(aq) D) HCN(aq) + CH3NH2(aq) → CH3NH3+ (aq)+ CN (aq) 19. Predict the direction in which the equilibrium will lie for the reaction H2CO3 + HCO,- + HF....
Write the electrolytic dissociation (decomposition into ions) equations with the status references "k" or "aq". It is known to dissolve: (a) Lithium bromide LiBr decomposes to lithium Li + and bromide Br−; (b) Potassium sulphate K2SO4 decomposes to potassium K + and sulphate SO42− ions; (c) ferric dichloride FeCl2 decomposes into ferric Fe2 + and chloride Cl− ions; d) Ferric trichloride FeCl3 decomposes to ferric Fe3 + and chloride Cl− ions.
The strongest acid in the following group is _____. A. HNO2 B. H2SO3 C. H2CO3 D. H2O2
10. Which one of the following is a strong acid? A. H2CO3 B. H2SO3 C. H2SO4 D. H3PO4 E. CHCOOH
Which species is the conjugate base in the following reaction? HPO42-(aq) + H2SO3(aq) H2PO42-(aq) + HSO3+(aq) H2SO3 OHSO3 OH2PO42- ОНРО42-
Compare the following: Acid 1: carbonic acid , H2CO3 Acid 2: sulfurous acid , H2SO3 Acid 3: hydrosulfuric acid , H2S What is the formula for the strongest acid ?
pka given for 4 acids, find the weakest acid. HF:3.14,HNO2:3.39,H2SO3:1.81,H2CO3:6.37