Convert concentration to molar
conc2mol(conc = NULL, unit_conc = NULL, mol_weight = NULL, unit_mol = NULL)
conc2mol(100, unit_conc = "g/l", mol_weight = 180.15588)
#> Molar unit not specified, assuming mol/L.
#> $value
#> [1] 0.5550749
#>
#> $unit
#> [1] "mol/L"
#>