Admin 8AsS3 + 23HClO4 + 36H2O → 8H3AsO4 + 23HCl + 24H2SO4 https://www.chemicalaid.com/tools/equationbalancer.php?equation=AsS3%2BHClO4%2BH2O+%3D+H3AsO4%2BHCl%2BH2SO4