mole_concentration_of_dissolved_inorganic_silicon_in_sea_water mol m-3 [MLM3]P07 id: 66VP4DXW Mole concentration means number of moles per unit volume, also called "molarity", and is used in the construction "mole_concentration_of_X_in_Y", where X is a material constituent of Y. A chemical or biological species denoted by X may be described by a single term such as "nitrogen" or a phrase such as "nox_expressed_as_nitrogen". "Dissolved inorganic silicon" means silicate ions in solution.