Review Questions for Exam 3 Chapter 7 Determine the following for ClF3 electron domain geometry molecular geometry hybridization bond angles polarity number of sigma and pi bonds Chapter 8 Balance the equation CN 2 g 2 Use the equation below to answer the following questions S8 4 Cl2 g F2 g 1 CF4 g NF3 g 4 S2Cl2 a How many grams of S2Cl2 can be produced from 4 06 g of S8 and 6 24 g of Cl2 b If 6 55 g of S2Cl2 were obtained what was the percent yield c How many grams of the excess reactant remains when the reaction is complete Chapter 9 1 Classify the following as strong weak or non electrolytes HCN 2 KCN glucose NH3 MgBr2 Complete if needed and identify the following reactions as to type K3PO4 aq 3Sr NO3 2 Ba OH 2 aq H3PO4 NH4NO2 N2 2H2O 3 Assign oxidation numbers to all the atoms in the following NaHCO3 PtCl62 KAuCl4 ClF3 1 4 Determine what is oxidized and reduced and the oxidizing and reducing agent in the reaction Cl2 5 2KI 2KCl I2 How many grams of Mg NO3 2 are needed to prepare 350 mL of 0 35 molar magnesium nitrate solution What is the NO3 ion concentration in the above solution 6 How many milliliters of a 4 00M stock solution of HNO3 are needed to prepare 60 0 mL of 0 200 M HNO3 7 How many mL of 1 420 M NaOH are needed to react completely with 25 00 mL of 1 500M H3PO4 solution 2
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