SiSiCl4 (l) + 4 H2O (l) → H4SiO4 (aq) + 4 HCl (aq)

If 492.8 grams of H2O (molar mass 18.02 g/mol) are reacted, how many moles of HCl will be produced?Cl4 (l) + 4 H2O (l) → H4SiO4 (aq) + 4 HCl (aq)