CIS Chemistry Ch 4 Extra Practice 1. How many grams of HCl are contained in 500.0 mL of a 0.250 M HCl sol’n? 2. Define an acid and base according to Arrhenius & Bronsted-Lowry: 3. Determine the oxidation state of nitrogen in each of the following: a) NH3 b) N2O4 c) NaNO3 d) N2 e) Na3N 4. Complete the following reactions and write net ionic equations for them: a. Zinc metal is oxidized to Zn+2 by silver ions b. BaCl2 (aq) + Na3PO4 (aq) → c. K (s) + Zn(NO3)2 (aq) → d. Ba(OH)2 (aq) + HI (aq) → 5. What is the molarity of a solution prepared by diluting 25.00 mL of 6.0 M NaOH to 500.0 mL? 6. Predict the precipitate that forms when solutions of Fe2(SO4)3 and LiOH are mixed. 7. Consider the following reaction and identify the oxidizing agent and reducing agent: Ca (s) + 2HNO3 (aq) → H2 (g) + Ca(NO3)2 (aq) 8. Classify each of the following as a strong, weak or nonelectrolyte in water: HBr, H2S, NH3, KCl, C6H6, Cl2. 9. Determine the molarity of an ethanol (C2H5OH) solution containing 10.0 g of ethanol in water with a total volume of 100.0 mL. 10. What is the molarity of a nitric acid solution if 36.00 mL of the acid reacts completely with 2.00 grams of Ba(OH)2?