Assignment:
Question 1. Calculate the concentration of a Pb(NO3)2 in a solution made up of 49.1 mg of solid Pb(NO3)2 (MW=33.22) dissolved in 65.00 mL of water (MW=18.02).
Question 2. Write balanced molecular, ionic, and net equations for the following reactions.
a. KCN(aq) + MgCI2(aq) → KCL (aq) +Mg(CN)2(aq)
b. Zn(NO3)2 (aq) +H3PO4(aq) → Zn3(PO4)2(s)+ HNO2(aq)
Question 3. In the following oxidation-reduction, identify the substance that is oxidized, the substance that is reduced, the oxidizing agent, and the reducing agent. 10 HI(aq) + 2KMnO4(aq) + 3H 2SO4(aq) → 5 I2 (s) + 2MnSO4(aq) +K2 SO4(aq) + 8 H2O(l)
Provide complete and step by step solution for the question and show calculations and use formulas.