7. NOBR is decomposed in an exothermic reaction. 2NOBrg) = 2NO(g) + Brz(e) The reaction is at equilibrium. Which of the following will occur when the system volume is decreased? shift to the right shift to the left remain the same cannot be determined 8. 80.3 mL of NaOH solution was added to 217 mL of a 0.20 M HCI solution to reach the endpoint.What is the concentration of the NaOH solution? 0.540 M 5.40 M 0.0740 M