5NaBiO3 + 2MnSO4 + 16HNO3 → 5Bi(NO3)3 + 2HMnO4 + 2Na2SO4 + NaNO3 + 7H2O
Sodium bismuthate react with manganese(II) sulfate and nitric acid to produce bismuth(III) nitrate, permanganic acid, sodium sulfate, sodium nitrate and water. Nitric acid - diluted solution.