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Ask Another Question Browse Other QuestionsQuestion: Solve the problem using GRESA method (Given, Required, Equation, Solution and answer). if 25.00 mL of citric acid solution is titrated with 28.12 mL of 0.1718N KOH, what is the concentration of citric acid? (2 decimal place answer)
Asked by mecca
Given: Volume of citric acid solution (V1) = 25.00 mL Volume of KOH solution (V2) = 28.12 mL Normality of KOH solution (N2) = 0.1718 N Required: Concentration of citric acid solution in normality (N1) Equation: Using the normality equation: N1 × V1 = N2 × V2 Solution: Rearrange the equation to find N1: N1 = N2 × V2 / V1 N1 = (0.1718 N) × (28.12 mL) / (25.00 mL) Answer: N1 = 0.1957 N So, the concentration of the citric acid solution is 0.20 N (rounded to two decimal places).
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