Formulas for this Timetable

Question

CL- OH- MnO4- NO3- HCO3- SO4^3 - CO3^2- Cr2O7^2- PO4^3-
NH^4+
Na+
CU+
Pb^2+
Au^3+
B^3+
Sn^4+

Answer 1

So what's the question? And note that SO4^2- is correct but SO4^3- is incorrect.