(type 1) Calculate equivalent weights
5. mEq and mOsmol 5.1) mEq 5.1.1) mEq - General
5.1.1.1) mEq from weight/volume Normal 1
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Calculate the equivalent weight of phenytoin sodium (MW 274). Total valence of cation(s) of phenytoin sodium is 1.
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lb equals 274 kg
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Equivalent weight is obtained by dividing molecular weight (`a`) with valence (`e`).
`therefore EW=a/e=274/1=274` Ans.