HCl:H - 1.007 g/molCl - 35.453 g/mol
Молярная масса HCl = 1.007 + 35.453 = 36.46 g/mol
KOH:K - 39.098 g/molO - 15.999 g/molH - 1.007 g/mol
Молярная масса KOH = 39.098 + 15.999 + 1.007 = 56.104 g/mol
Fe2(SO4)3:Fe - 55.845 g/molS - 32.06 g/molO - 15.999 g/mol
Молярная масса Fe2(SO4)3 = 2(55.845) + 3(32.06 + 4*(15.999)) = 159.69 g/mol
K2Cr2O7:K - 39.098 g/molCr - 51.996 g/molO - 15.999 g/mol
Молярная масса K2Cr2O7 = 2(39.098) + 2(51.996) + 7*(15.999) = 294.18 g/mol
HCl:
H - 1.007 g/mol
Cl - 35.453 g/mol
Молярная масса HCl = 1.007 + 35.453 = 36.46 g/mol
KOH:
K - 39.098 g/mol
O - 15.999 g/mol
H - 1.007 g/mol
Молярная масса KOH = 39.098 + 15.999 + 1.007 = 56.104 g/mol
Fe2(SO4)3:
Fe - 55.845 g/mol
S - 32.06 g/mol
O - 15.999 g/mol
Молярная масса Fe2(SO4)3 = 2(55.845) + 3(32.06 + 4*(15.999)) = 159.69 g/mol
K2Cr2O7:
K - 39.098 g/mol
Cr - 51.996 g/mol
O - 15.999 g/mol
Молярная масса K2Cr2O7 = 2(39.098) + 2(51.996) + 7*(15.999) = 294.18 g/mol