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  4. Number of Ca +2 and Cl - ion in 111 g of anhydrous CaCl 2 are-

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Q. Number of $Ca ^{+2}$ and $Cl ^{-}$ ion in $111 g$ of anhydrous $CaCl _{2}$ are-

Some Basic Concepts of Chemistry

Solution:

$111\, g$ anhydrous $CaCl _{2}=1$ mole $CaCl _{2}$

1 mole $CaCl$, contain 1 mole $Ca ^{+2}$ and 2 mole $Cl ^{-}$