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A 0.1\(moldm^{-3}\) solution of sodium hydroxide was diluted with distilled water to 0.001\(moldm^{-3}\). What is...

Chemistry
WAEC 2017

A 0.1\(moldm^{-3}\) solution of sodium hydroxide was diluted with distilled water to 0.001\(moldm^{-3}\). What is the dilution factor?

  • A. 1000.00
  • B. 100.00
  • C. 10.00
  • D. 0.01
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Correct Answer: Option B
Explanation

The formula to calculate the dilution factor when using concentrations is DF = \(\frac{C_1}{C_2}\), where C\(_1\) is the initial concentration of the stock solution and C\(_2\) is the final concentration of the diluted solution. 

 Dilution factor= \(\frac{0.1}{0.001}\) = 100

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