Human urine contains 95% of water and 5% of water substance which are listed below:9.3 g / L urea1.87 g / L chloride1.17 g / L sodium0.750 g / L potassium0.670 g / L of creatinineAll these substances reduce the concentration of urine. Along with that, there are also various other components like dissolved ions, organic and inorganic compounds such as metabolites, proteins, hormones.