iran-konkur 2019 Q229

iran-konkur · Other · konkur-riazi_1398_specialized_new-curriculum Not Maths
229 – If in a $0.1$ molar solution of a weak acid, the concentration of hydronium ions is $4\times10^{-3}$ moles per liter, what are the degree of ionization and pH of the solution, respectively? $(\log 4 \approx 0.6)$
(1) $2/4\ ,\ 1/2$ (2) $2/6\ ,\ 1/2$ (3) $2/4\ ,\ 4$ (4) $2/6\ ,\ 4$
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Chemistry 121-A Page 24

\textbf{229 –} If in a $0.1$ molar solution of a weak acid, the concentration of hydronium ions is $4\times10^{-3}$ moles per liter, what are the degree of ionization and pH of the solution, respectively? $(\log 4 \approx 0.6)$

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(1) $2/4\ ,\ 1/2$ \hfill (2) $2/6\ ,\ 1/2$ \hfill (3) $2/4\ ,\ 4$ \hfill (4) $2/6\ ,\ 4$



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\textbf{Download of Questions and Descriptive Answers of Konkur from Riazisara Website}
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\noindent\textbf{Chemistry} \hfill \textbf{121-A} \hfill \textbf{Page 24}

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