kamraaa kamraaa

18-02-2019
Chemistry

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Sulphate is written as SO42-, what does the “4” represent and what does the “2-“ represent?

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brandonpuar brandonpuar

19-02-2019

(SO4)2 The SO4 = 4 oxygen and having a 2 like that (SO4)2 makes it have 2 S, and 8 O’s

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