$20\,\mathrm{mL}$ of $0.5\,\mathrm{M}\,\mathrm{HCl}$ is mixed with $30\,\mathrm{mL}$ of $0.3\,\mathrm{M}\,\mathrm{HCl}$, the molarity of resulting solution is
- A$0.8\,\mathrm{M}$
- B$0.53\,\mathrm{M}$
- C$0.38\,\mathrm{M}$
- D$0.83\,\mathrm{M}$
✓ Correct answer: C
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