1) How many grams of water and salt are required to prepare 500 grams of 20% solution? Do the calculations to confirm your answer. 2) Calculate pH and pOH of 0.03 M HCl solution. Do the calculations to confirm your answer. 3) What is the Van't-Hoff factor' value for AlCl3? 4) What is the Van't-Hoff factor' value for C6H12O6? 5) Explain difference between molar and molal concentrations 6) How to calculate normality? 7) What properties of solutions are called colligative? 8) What is osmotic pressure? How to calculate it? 9) How to calculate freezing point depression? 10) Give examples of weak and strong acids 11) Give examples of weak and strong bases 12) Choose solution with the lowest vapor pressure value: 2% NaCl, 0.5%CaCl2, 3% C6H12O6 13) What is a buffer solution? Give examples. 14) Explain the difference between s, p and d elements. Give examples. 15) Six major biogenic elements are... 16) What is the main function of alkali metals ions in human body? 17) How to identify carbonate ions? 18) Name this substance 19) Name compounds: Ca(OH)2, Na3PO4, H2O2, NaOCl 20) Complete equation: CaO+H3PO4→ 21) Complete equation: NH4Cl (to)→

Medical Chemistry Final test (2023)

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