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Thursday, 02 April 2026
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Given that 15.00 cm3 of H2 SO4 was required to completely neutralize 25.00 cm3 of 0.125 ...

Given that 15.00 cm3 of H2
SO4 was required to completely neutralize 25.00 cm3 of 0.125 mol dm-3 NaOH, calculate the molar concentration of the acid solution:
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  • A 0.925 mol dm-3
  • B 0.156mol dm-3
  • C 0.104 mol dm-3
  • D 0.023 mol dm-3
Correct Answer: Option C
Explanation:
H2SO4 + 2NaOH → Na2SO4 + 2H2O
(MaVa)/(MBVB) (1)/(2) (MA x 15)/(0.125 x25) = 1/2
MA = 0.104

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