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23-08-2022
Chemistry

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The seven most abundant ions in seawater make up more than 99% by mass of the dissolved compounds. Here are their abundances in units of mg ion/kg seawater: chloride 18,980; sodium 10,560; sulfate 2650; magnesium 1270; calcium 400; potassium 380; hydrogen carbonate 140.
(c) How does the total mass % of alkaline earth metal ions compare with the total mass % of alkali metal ions?

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