Question

Fill out the following pH color chart for Alizarin (AZYR), where each drop down box corresponds to the color of an alizarin solution at that pH. pH: 7 | 8 | 9 | 10 | 11 | 12 | [Select) o [yellow] | [yellow] [Select] (orange) (Select] Question 4 0.5 pts For the following theoretical equation, match the numerator and the denominator of the K, equation. HA(aq) + B(N = A (aq) + HB* (aq) K, -... numerator [HBA- demonimator (HAB)

Answer 1

PH 7 Yellow 8 Yellow 9 Yellow 10 Orange 11 Orange 12 Red question 4: HA (19) + B(l) Alaq) + HB (aq) - [A] [HBt ] & Numerator [HA & Demonimator Note: concentration of B is not taken in denominator as it is solvent which also act as base.