H +1 Cl -1
Na2 +1 O -2
Cl2 0
C -4 H4 +1
Mn2 +3 O3 -2
M(CuO) = 64 + 16 = 80г/моль
n= m/M= 80/360 = 0.2222моль
Не уверен: <span>C3H8+N2+6O2=3CO2+4H2O+2NO</span>
. X т
C3H5(OH)2O-OC-C17H33+H2O=
. 356г
. 5.83 т
=C3H5(OH)3+C17H33COOH
. 92г
Х=(356×5.83)/92=22.56т
22.56т--------100%
Х т----------85%
Х=(22.56т×85%)/100%=19.2т