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- Determine the pH of a 0.100 M solution of (NH4)2C2O4.Chemistry Br OH OH Pd catalyst, base (d) "Den Br OR OR Pd catalyst, base24. A solution of volume 0.500 L contains 1.68 g NH3 and 4.05 g (NH4)2SO4. (a) What is the pH of this solution? (b) If 0.88 g NaOH is added to the solution, what will be the pH? (c) How many milliliters of 12 M HCl must be added to 0.500 L of the original solution to change its pH to 9.00?
- Write a balanced equation for the acid–base reaction thatleads to the production of each of the following salts.Name the acid, base, and salt.(a) Na2SO3 (c) PbSO4(b) Ca(C6H5COO)2 (d) CuCl21. Solid NH4NO3 dissolves in water and then reacts with KOH (aq). The container releases a smell as the reaction proceeds. (a) Write the acid-base reaction products for this reaction. (b) Write the decomposition reaction that happens immediately after the acid-base reaction that is responsible for the smell observed. 2. Write the complete and balanced Bronsted- Lowry acid-base reaction for the following. Choose the correct arrows to indicate if the reaction goes 100% to completion or is a reversible reaction using equilibrium arrows. (a) H₂S(aq) + NH4OH(aq) (b) HC₂H3O2(aq) + Ca(OH)2 (aq) 3. Use dimensional analysis, proper significant figures & show units. A nicotine-like compound found in tobacco has an empirical formula of C5H7O1 and a molar mass of 160 g/mol. What is the molecular formula of this compound?Calculate the pH of 0.83 mol/L solution of benzoic acid (C6H5COOH(aq))
- How could you distinguish NH4Cl and AgCL? (a) By smell (b) By color (c) By solubility in water (d) By tasteWhat volume of 0.50 M KOH would be required to neutralize completely 500mL of 0.25 M H 3 PO 4 solution?(a) Write a balanced equation representing the reaction of the acid, H2PO4- with the base, water. (b) Write the expression for Ka of H2PO4- in terms of concentrations of relevant species.
- Follow the directions of Question 19 for the following acids: (a) hypochlorous acid (b) formic acid, HCHO2 (c) acetic acid, HC2H3O2 (d) hydrobromic acid (e) sulfurous acidWhich of the following 0.10 M acid solutions will have the lowest pH? (A) HIO3 (B) HClO2 (C) HBrO2 (D) HIO (E) HClO3(a) When acetone dissolves in water, what major species are present? Write structures, cations or anions separated by comma. (b) When potassium bromide dissolves in water, what major species are present? Write structures, cations or anions separated by comma. (c) When lithium hydroxide dissolves in water, what major species are present? Write structures, cations or anions separated by comma. (d) When sulphuric acid dissolves in water, what major species are present? Write structures, cations or anions separated by comma.





