Question

A 0.70 g sample consisting of CaC204 and MgC204 is heated at 300°C, converting the two salts to CaCO3 and MgCO3. The sample then weighs
0.47 g. If the sample had been heated to 700°C then the products are CaO and Mgo. The weight of mixture of oxides is:​

Answer 1

Answer:

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