find the concentrations of following chemical species at equilibrium when mixing 51.0 ml of 0.100 m cu(no3)2cu(no3)2 and 94.0 ml of 0.0160 m nh3nh3? a. [cu2 ][cu2 ] mol/l (report your answer to at least 3 significant figures) b. [cu(nh3)2 4][cu(nh3)42 ] mol/l (report your answer to at least 3 significant figures) c. [nh3][nh3] mol/l (report your answer to at least 3 significant figures)