<P> Conventionally for concentrations and activities , square brackets ( ) are used around the chemical molecular formula . For an arbitrary atom , generic letters in upright non-bold typeface such as A , B , R , X or Y etc. are often used . </P>
<P> Conventionally for concentrations and activities , square brackets ( ) are used around the chemical molecular formula . For an arbitrary atom , generic letters in upright non-bold typeface such as A , B , R , X or Y etc. are often used . </P>
what do brackets in an chemical equation mean
what do brackets in an chemical equation mean
chemical molecular formula
chemical molecular formula