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sodium chloride is the chemical name for common table salt. if 762 g of sodium chloride is decomposed to give 300 g of sodium, how much chlorine will be left?

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Do 762-300=462. I hope this helps
The question is asking if you separate the chloride from the sodium and 300g of sodium is taken away from the total of 762g, to find the amount of chlorine you would simply represent it as 762 - 300 which = 462g of chlorine remaining

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