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can u list all the imp formulae regardin equivalent weight!!

can u list all the imp formulae regardin equivalent weight!!

Grade:

1 Answers

Aman Bansal
592 Points
9 years ago

Dear Paritosh,

Find the molecular weight of a compound used in a chemical reaction by looking up on the periodic table the molecular weight of each element and multiplying it by the number of the element in the compound before adding all molecular weights together. For example, the molecular weight of sodium chloride, NaCl, is 22.990 + 35.453, or 58.443.

Determine the valence of the compound. The valence refers to how many hydrogen atoms could bond with the compound. It is determined by the relationship between elements in a compound. For NaCl, the valence is 1 because only one hydrogen atom could bond with NaCl. For H2So4, or sulfuric acid, the valence is 2 because two hydrogen atoms bond with sulfate, or So4.

Divide the molecular weight by the valence to calculate the equivalent weight. The equivalent weight of NaCl is 58.443/1 or 58.443

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