If the 20mL of 0.125 M NaOH is required to titrate 10mL of an acid unknown concentration to reach the equivalence point, then find the concentration(molarity) of the unknown acid.
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If the 20mL of 0.125 M NaOH is required to titrate 10mL of an acid unknown...
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Questions 3, 4, & 5 pls (3) You will titrate a solution of an unknown acid (HX(aq)) by adding NaOH(aq). Suppose that 25 mL of 0.5 M NaOH(aq) is needed to reach the equivalence point. How many moles of HX were present initially? Show the calculation. (4) You will titrate acid solutions by adding 0.2-0.3-mL or 2-3-mL portions of NaOH(aq). When should you add the smaller volume? (5) The concentration of an aqueous solution of NaOH cannot be accurately determined...
Unknown Acid Number Mass of weighing paper Mass of weighing paper and unknown acid Concentration of NaOH solution 615978 1.6610g 0.10M 24.5481 12. 2674 m2 4.91 Volume of NaOH to reach the equivalence point Volume of NaOH at half of the equivalence point pH at half of the equivalence point CALCULATIONS Show all calculations. Mass of unknown acid •5013g Moles of NaOH to reach equivalence point .602453 mol Moles of unknown acid Molar mass (equivalent mass) of unknown acid pKa...
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