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categoryالكيمياء schoolبكالوريوس event_available2026-07-15

السؤال

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6. a. Complete the following table of Trial 1 (See Report Sheet) for determining the molar concentration of a standard NaOH solution, followed by the determination of the molar concentration of a monoprotic acid solution according to the exper- imental procedure. Record calculated values with the correct number of significant figures. A. Standardization of a Sodium Hydroxide Solution 1. Tared mass of KHCHO (g) 2. Molar mass of KHC₂H4O4 (g/mol) 3. Moles of KHCH₁O₁ (mol) Show calculation. 4. Buret reading, initial (mL) 5. Buret reading, final (mL) Calculation Zone 0.411 204.44 Part A.3 4.20 19.90 6. Volume of NaOH dispensed (mL) Part A.7 7. Molar concentration of NaOH solution (mol/L) Show calculation. B. Molar Concentration of an Acid Solution Part B.6 1. Volume of acid solution (mL) 25.0 2. Buret reading, initial (mL) 3.70 3. Buret reading, final (mL) 20.47 4. Volume of NaOH dispensed (mL) 5. Molar concentration of NaOH solution (mol/L) Part B.7 6. Moles of NaOH dispensed (mol) Show calculation. Show calculation. 7. Molar concentration of acid solution (mol/L)

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