👤

Compozitia procentuala de masa a clorobenzenului?

Răspuns :

C6H5Cl- formula moleculara
 in 100g C6H5Cl.....xg C......yg H.....zg Cl
in 112,5g C6H5Cl....72g C....5gH.....35,5G Cl
x=64%, y=4,4%, z=31,5%
MC6H5Cl=6*12+1*5+1*35,5=112,5.