Consider the neutralization reaction 2 HNO3(aq) + Ba(OH)2(aq) → 2 H2O(l) + Ba(NO3)2(aq) A 0.105 L sample of an unknown HNO3 solution required 41.1 mL of 0.200 M Ba(OH)2 for complete neutralization. What is the concentration of the HNO3 solution? concentration: Σ

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