Fill in the blank. 100 mL of 1 M SO2Cl2 aqueous solution is neutralised by ............ mL of 4 N NaOH.
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Solution
The neutralization of 1 mole of SO2Cl2 requires 4 moles of NaOH. 100 mL of 1 M SO2Cl2 corresponds to 0.1 moles. 100 mL of 4 N NaOH corresponds to 0.4 moles. Hence, 100 mL of 1 M SO2Cl2 aqueous solution is neutralized by 100 mL of 4 N NaOH.