1.

A detergent \[({{C}_{12}}{{H}_{25}}SO_{4}^{-}N{{a}^{+}})\] solution becomes a colloidal sol at a concentration of\[{{10}^{-3}}M\]. Onan average \[{{10}^{13}}\] colloidal particles are present in \[1\text{ }m{{m}^{3}}\]. What is the average number of ions which are contained by one colloidal particle (micelle)?  [Given: \[{{N}_{A}}=6\times {{10}^{23}}mo{{l}^{-1}}\]]

A. \[6\times {{10}^{7}}\]
B. 10
C. 60
D. None of these
Answer» D. None of these


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