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Topic Content:
- Liquid Volume-Volume Calculations
In this type of calculation, one volume is given while another volume is to be found.
Example 6.7.1:
25.0 cm3 of a solution of potassium hydroxide is neutralized by 35.0 cm3 of hydrogen chloride of concentration 0.75 mol/dm3 . Calculate the concentration in mol/dm3 of potassium hydroxide solution.
Solution
Equation of reaction:
\( \scriptsize \underset{1\: mole}{KOH} \: + \: \underset{1\: mole}{HCl} \: \rightarrow \: KCl \: + \: H_2O \)
\( \frac {C_a\: V_a}{C_b\: V_b} = \frac{n_a}{n_b} \)
Ca = 0.75 mol/dm3
Cb = ?
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