QUESTION 9 In a titration, 25.00 mL of a solution of vinegar containing acetic acid, HC2H302, is titrated to its end point with 0.0333 mL of 0.5000 M NaOH, according to the reaction shown below. What is the concentration (in M) of acetic acid in the vinegar solution? HC2H302(aq) + NaOH(aq) --- NaC2H302(aq) + H2O(aq) QUESTION 10 50.0 g of water at 79C was added to 50,0 g water at 22"C in a calorimeter and the measured temperature in the calorimeter rose to 47". Find the calorimeter constant (the heat capacity of the calorimeter). QUESTION 11 Which of the following is not a possible set of quantum numbers for an electron? an. 1.1-0.me: 1 b.n.4.1-3.mo. -3 0.1.5,1.4, mo-2 d.n.3,1 - 0,mo. O 0.n.2.1 - 1. mou - 1