Coagulating value of the electrolytes AlCl3 and NaCl for As2S3 are 0.09 and 50.04 respectively. The coagulating power of AlCl3 is x times the coagulating power of NaCl. The value of x is ______ .
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Coagulating power is inversely proportional to coagulating value, and higher charge density of ions increases coagulating efficiency
Correct Answer: 556
Solution and Explanation
Coagulating Power of Electrolytes:
The coagulating power of an electrolyte is inversely proportional to its coagulating value:
Coagulating power ∝ \(\frac{1}{\text{Coagulating value}}\)
For AlCl3 and NaCl:
The ratio of their coagulating powers is given by:
\(\frac{\text{Coagulating power of AlCl}_3}{\text{Coagulating power of NaCl}} = \frac{\text{Coagulating value of NaCl}}{\text{Coagulating value of AlCl}_3}\)
Substitute the Given Values:
\(\frac{\text{Coagulating power of AlCl}_3}{\text{Coagulating power of NaCl}} = \frac{50.04}{0.09}\)
Simplify:
\(x = \frac{50.04}{0.09} = 556\)
Conclusion:
The coagulating power of AlCl3 is 556 times that of NaCl.
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