Engjellushe prepared the following aqueous equilibrium and observes a visual change when there is a shift in the equilib

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Engjellushe prepared the following aqueous equilibrium and
observes a visual change when there is a shift in the
equilibrium.
Heat + Co2+(aq) (pink) + 4
Cl-(aq) (colorless) <-->
CoCl42-(aq) (blue)
a) Predict the shift of the equilibrium and the visual change
when she removes some Cl- ions from the
system.
b) Predict the shift of the equilibrium and the visual change
when she heats the system.