will push the equilibrium to the left, consuming the complex and decreasing color intensity. To Conduct Demonstration: Display five 250mL beakers with 50mL of Fe(NCS)2+ solution. Reserve one as a ...

Indicators work because they are weak acids which when in solution, exist in equilibrium with their conjugate base ... Fill the 2L glass cylinder with about 1800 mL of tap water. To Conduct ...