2. k. Molarity, normality, molality
What mass of CHa in grams, is required to react with 96.0 grams of 027
S. A 15.6 g sample of benzene is mixed with excess nitric acid. We isolate 12.0 g of
C6H5NO2. What is the percent yield of CoHoNO2 in this reaction? (2points)
4. Calculate the volume of a 0.225 M solution of potassium hydroxide, KOH,
required to react with 0.215 g of acetic acid, CH3COOH? (2points)
5. An excess of AgNO3 reacts with 185.5 mL of an AlCla solution to give 0.3259
of AgCl. What is the concentration, in moles per liter, of the AlCl2 solution?
(2points)
6. Calculate the volume of pure water that used to dilute 100 mL of 12 M NaOH to
4.75 M. (2points)