Determination of concentration of hydrochloric acid solution
Name: Raj Shah Subject: Chemistry Level: Higher Level Determination of concentration of hydrochloric acid solution: Standardization of NaOH solution: C2H204 + 2NaOH › C2Na2O4 + 2H2O Apparutus: . Funnel 2. Rod 3. 100ml Standard Measuring Flask 4. 10ml Pipette (±0.015 cm³) 5. 50ml Burette (±0.05 cm³) 6. Wash Bottle 7. Beaker 8. Butler Paper 9. Conical Flask Table 1.0: Volume of NaOH used = (10.000 ±0.015) cm³ Sr. No. Initial vol. (±0.05cm³) Final vol. (±0.05cm³) Difference (±0.1cm³) . 0.00 5.20 5.20 2. 5.20 0.50 5.30 3. 0.50 5.50 5.00 Molar Mass of Oxalic acid in 100 cm³ : 126.07 g/mol (C2H2O4.2H2O) Mass used : (1.2607 ±0.001) g n (moles) : concentration (mol/dm³) : Moles of oxalic acid = cv (used to titrate 10 cm³ of NaOH)
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