Why is the chemical formula for water h2o and for nacl why not ho2 and nacl2
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because we use criss cross method in writing formulae of compounds in which the valency is interchanged between the two molecules
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H2O is the chemical formula of water. It means that each molecule of water is made up of two hydrogen atoms, indicated by the letter H, and a single oxygen atom, represented by the letter O. Water is chemical substance with no smell, taste or color.
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