4) Some seawater is evaporated. The sea salt obtained is found
to be 86% sodium chond. How much sodium chloride
could be obtained from 200 g of this salt?
5 ) 5.0 g sample of dry ice (solid carbon dioxide) turned into
2400 cm³ of carbon dioxide gas at rtp. What was the
percentage purity of the dry ice? (Mr of co², =44)
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4) Some seawater is evaporated. The sea salt obtained is found
to be 86% sodium chond. How much sod...
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