Mole ConceptMedium
Question
SO2 gas is slowly passed through an aqueous suspension containing 12 g of CaSO3 till the milkiness just disappears. What amount of SO2 would be required?
Options
A.6.4 mole
B.0.3 mole
C.0.1 mole
D.0.2 mole
Solution
CaSO3 + SO2 + H2O → Ca(HSO3)2
120 g 1 mole
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