mistilC3ole4Pampbel mistilC3ole4Pampbel

11-06-2016
Chemistry

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What do the brackets in chemical equations mean? Im new to chemistry, what do brackets in chemical equations mean? Ca (OH)2 What does the (OH) here symbolise? K2SO4 . Al2(SO4)3 . 24H2O What does (SO4) here symbolise?

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lolhihey lolhihey

11-06-2016

that means that the 3 is applied to S and O
hence in (SO4)3 there are 3 S atoms and 12 O atoms

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