Converts mass to volume concentration
     
    
    Usage
    parts_to_mass(values, mol_mass, temperature = 20, pressure = 1013, ...)
 
     
    
    Arguments
    - values
 
volume concentration
 
- mol_mass
 
in g/mol
 
- temperature
 
in °C. Default 20 °C
 
- pressure
 
in hPa. Default 1013 hPa
 
- ...
 
catch additional arguments to keep R happy