## Chemistry 12th Edition

We know that a. The given formula $Mg(IO_4)_2$ is incorrect and the correct formula is $Mg(IO_3)_2.$ b. The given formula $H_3PO_3$ is incorrect and the correct formula is $H_3PO_4.$ c. The given formula $BaS$ is correct. d. The given formula $NH_3HCO_3$ is incorrect and the correct formula is $NH_4HCO_3.$