Question

Подсчитайте Mr SiO2 =............. Cr2O3 = .............

CuCl2 =

Answer 1

SiO2 = 60

Cr2O3 =152

CuCl2 =134.5

Answer 2

SiO2 = 28+ 16*2=60

Cr2O3 = 56*2+16*3=160

CuCl2 = 64 + 35*2=134