76. Solving a chemistry problem
278. Make molecular reaction equations that are expressed by ion-molecular equations:
a) NO2- H → HNO2;
b) Cu2 2OH-→Cu(OH)
c) Zn2 S2-→ZnS
If you do not open the file - install the RAR archiver. Inside the archive you will find a solution in Word format.
No customer reviews yet.