1. Tardigrade
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  3. Chemistry
  4. Ka of HX is 10-5, then find concentration of H3O+ when equal volumes of 0.25 M HX and 0.05 M NaOH are mixed

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Q. $K_a$ of $HX$ is $10^{-5}$, then find concentration of $H_3O^+$ when equal volumes of $0.25\,M\, HX$ and $0.05\, M\, NaOH$ are mixed

BITSATBITSAT 2019

Solution:

Correct answer is (a) $4 \times 10^{-5} M$