The balanced chemical equation of the reaction between a drying agent, thionyl c

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?
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?

Explanation / Answer

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

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