A. 5cm³
B. 10cm³
C. 20cm³
D. 50cm³
Correct Answer:
Option D – 50cm³
Explanation
2NaOH + H2SO4↔Na2SO4 + 2H2O
V x 0.5M = 2(10 x 1.25)
0.5V = 2 x 12.5
0.5V = 25
V = 250.5 = 50cm²
Correct computation as it follows the equation specified.
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