A raw type of ink that disappears is based on the following endothermic balance: Colorless

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answerhappygod
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A raw type of ink that disappears is based on the following endothermic balance: Colorless

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A raw type of ink that disappears is based on the following endothermic balance:
Colorless Blue
[Co(H2O)6] Cl2 (aq) —> [CoCl2(H2O)4] (aq) + 2 H2O (l)
If the reactive solution is used to write on a piece of paper and allowed to partially dry, what can be done to highlight colored handwriting?
A. Add water
B. Decrease the volume.
C. Put the paper in a freezer
D. Put the paper in an oven
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