A. 0.016 mol dm-³
B. 0.032 mol dm-³
C. 0.039 mol dm-³
D. 0.064 mol dm-³
Correct Answer: Option D
Explanation
HCl + NaOH → NaCl + H2O
CAVA = NA/NB = (0.05 X 32)/(CB X25)
∴ CB = (0.05 X 32)/25 = 0.064 mol dm-³
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