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Dissolving: Preparation

Experiment: Can You Mine Gold From Old Motherboards?
Dissolving: Preparation

What remains in the filter is a mixture of various metals and impurities. We now dissolve everything in a mixture of hydrochloric acid at 35% and chlorine bleach (sodium hypochlorite) at 5%, in a proportion of 2 to 1.

2 HCl + NaClO -> Cl2 + NaCl + H2O

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