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A sample of dichloroacetic acid (MW = 128.94 g/mol) weighing 6.447 g is dissolved in water in a 500 mL volumetric flask. The resulting formality of the solution is?

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A sample of dichloroacetic acid (MW = 128.94 g/mol) weighing 6.447 g is dissolved in water in a 500 mL volumetric flask. The resulting formality of the solution is? Answer: 0.100 F

Question context

This question is part of 🧩 Logical Reasoning within the broader 🧠 Aptitude Mastery subject and appears in the SPSC – Sindh Public Service Commission preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.