Question

The balanced chemical equation of the reaction between a drying agent, thionyl chloride, SOCI2, and water is given below. SOCI2(1) + H2O(1)- SO2(g) + 2HCI(g). Calculate the mass of water consumed when 35.0g of SOCI2 is reacted. Steps to solve this problem: what is the molar ratio of SOCI2 to H2O?

Answer 1

its a balanced chemical reaction ,so the moles of water consumed is equal to moles of SOCl₂

The molar ratio of SOCI₂₍₁₎ and    H₂O₍₁₎ is    1:1

      SOCI₂(1) +    H₂O(1)    --------> SO₂(g) +    2HCI(g).

    35/129

   .2713 moles       

so the moles of water needed = .2713 =>   Mass of water needed = .2713x18 = 4.88 gram