# Volumetr

Notes

# Volumetric Analysis 1. What is equivalent weight? Write a relationship between atomic weight and equivalent weight. 2. Equivalent weight of an element is 23.1. What does it mean? 3. Determine the equivalent weight of underlined elements. MgO, NaCl, Cu₂O, Fe₂O₃, NH₃, CO₂, AlCl₃ 4. 4 grams of a divalent metal reacts with chlorine to produce 11.1 gram of the metal chloride. Calculate the atomic mass of metal. 5. A metal oxide contains 32% oxygen by weight. Calculate the equivalent weight of metal. 6. Define equivalent weight of acid, base and salt. What is the equivalent weight of (a) (COOH)₂ (b) (COOH)₂. 2H₂O. 7. Define (a) basicity of acid (b) acidity of base with examples. 8. Write formula for equivalent weight of (a) salt (b) oxidizing agent (c) reducing agent. 9. Calculate the equivalent weight of KMnO₄ in different mediums with the help of reactions. 10. Differentiate unknown solution and standard solution. 11. Normal solution is 0.9% (w/v) NaCl. What does it mean? 12. Write differences between molarity and normality. 13. Define one molar solution with an example. 14. What is a decinormal solution? Give an example. 15. Convert the following: (i) 2.5 M H₃PO₄ int...