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mixture used to make hopcalite​

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Answered by Nikitacuty
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A variety of compositions are known, such as "hopcalite II" that is approximately 60% manganese dioxide and 40% copper oxide (the MnO2 : CuO molar ratio is 1.375) and "hopcalite I" that is a mixture of 50% MnO, 30% CuO, 15% Co2O3, and 5% Ag2O.

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