please answer all

1. Which is the pH of 1MNaOH solution? 2. Which is the pH of 1MHCl solution? 3. Which is the pH of 1M acetic acid solution? 4. Why answers 2 and 3 are different? 5. Shortly answer the following questions: a) Which is the normal pH value range for arterial blood? b) Which is the normal pH value range for venous blood? c) How do you explain the difference? d) Draw the equilibrium equations of the carbonic acid-bicarbonate buffer system. 6. From the sodium acetate buffer briefly answer: a) Which is the chemical formula and molecular weight of sodium acetate? b) Which is the chemical formula and molecular weight of acetic acid? c) How do you make a 0.1M sodium acetate solution? d) How do you make a 0.1M acetic acid solution? e) How do you make a 0.1M sodium acetate buffer? f) Which should be the pKa value of that buffer