The balanced chemical equation for WO3 + HCl = H2SeO3 + HCl is as follows:
2WO3 + 6HCl = 2H2SeO3 + 3Cl2 + 3H2O
The balanced chemical equation for WO3 + HCl = H2SeO3 + HCl is as follows:
2WO3 + 6HCl = 2H2SeO3 + 3Cl2 + 3H2O