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20 grame benzen de puritate 60%se clorureaza. Calculați cantitatea de clorobenzen
Urgent va rog


Răspuns :

m,impur= 20g

p=m,px100/m,i===> m,p=20x60/100= 12g benzen pur

78g...........................................112,5g

C6H6 + Cl2=====> C6H5Cl+ HCl

12g,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,x= 12x112,5/78 g clorobenzen=..................calculeaza !!!!