Dolomite mineral consists mainly of calcium and magnesium carbonates. In order to obtain the magnesium in the mineral as

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Dolomite mineral consists mainly of calcium and magnesiumcarbonates. In order to obtain the magnesium in the mineral asmagnesium sulphate, the mineral derpk is extracted with sulphuricacid. The mineral contains 21% calcium, 10% magnesium, 5% sand(SiO:) and other components. After the end of the extractionoperations, the dissolved part is filtered. The remaining part iswashed and the washing water is added to the first filtrate.what percent of magnesium is extractedcalculate that