Forward from: KIMYO MILLIY SERTIFIKAT || FARMONOV M.
Kimyo 25-yanvar 1-smena
X2SO3 0.348gr K2Cr2O7 + H2SO4
Reaksiyasi Cr2(SO4)3 +KOH+H2O2
Keyin qaynoq HCl
60 ml 27 gradus 124.65 Kpa
X2SO3 0.348gr K2Cr2O7 + H2SO4
Reaksiyasi Cr2(SO4)3 +KOH+H2O2
Keyin qaynoq HCl
60 ml 27 gradus 124.65 Kpa