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29-10-2022
Chemistry

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Hello everyone, please help me with this question.

A sample of 0.83g of an oxide of cobalt was reduced to metallic cobalt by heating in a stream of hydrogen. The mass of cobalt produced was 0.59g.
1. Find the formula of this oxide.
2. Write an equation for the reduction of this oxide.

Hello everyone please help me with this question A sample of 083g of an oxide of cobalt was reduced to metallic cobalt by heating in a stream of hydrogen The ma class=

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