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  4. 1 mole of H2SO4 is mixed with 2 moles of NaOH . The heat evolved will be

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Q. 1 mole of $ {{H}_{2}}S{{O}_{4}} $ is mixed with 2 moles of $ NaOH $ . The heat evolved will be

MGIMS WardhaMGIMS Wardha 2011

Solution:

1 mole of $ {{H}_{2}}S{{O}_{4}}=2 $ g-equivalent of $ {{H}_{2}}S{{O}_{4}} $ Hence, when 1 mole of $ {{H}_{2}}S{{O}_{4}} $ is mixed with 2 moles of $ NaOH, $ the heat evolved will be $ 2\times $ $ 57.3\text{ }kJ $ .