A solution of $0.1, ext{mol}, ext{dm}^{-3}$ of $NaOH$ is mixed with a solution of $0.2, ext{mol}, ext{dm}^{-3}$ of $HCl$. If the volume of the resulting solution is $100, ext{cm}^3$, calculate the concentration of $OH^-$ ions.

Question

A solution of $0.1, 	ext{mol}, 	ext{dm}^{-3}$ of $NaOH$ is mixed with a solution of $0.2, 	ext{mol}, 	ext{dm}^{-3}$ of $HCl$. If the volume of the resulting solution is $100, 	ext{cm}^3$, calculate the concentration of $OH^-$ ions.

Accepted Answer

$0.002, 	ext{mol}, 	ext{dm}^{-3}$

Post Utme Ksu 2017 Chemistry Question 11

A solution of $0.1, \text{mol}, \text{dm}^{-3}$ of $NaOH$ is mixed with a solution of $0.2, \text{mol}, \text{dm}^{-3}$ of $HCl$. If the volume of the resulting solution is $100, \text{cm}^3$, calculate the concentration of $OH^-$ ions.

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