please answer all questions

Post Lab Assignment (total points: 30 ). SHOW all your work to get partial credits. 1. Calculate the pH and pOH of 0.0001M solution of NaOH. (2) 2. Calculate the pH and pOH of 0.001MHCl. (2) 3. Calculate the pH of a solution if the hydroxyl ion concentration is 4.0104(2) 4. Calculate the hydrogen and hydroxyl ion concentration of a solution if the pH is 3.5. (2) 5. Calculate the hydrogen ion and hydroxide ion concentrations of a solution that has a pOH of 5.5. (2) 6. Calculate the pH of a solution prepared by diluting 4.0mL of 2.1MHCl to a final volume of 100.0mL with water. (4) 7. Calculate the hydrogen ion concentration and pH of 0.015MCH3COOH(pKa=4.75) (3) 8. Calculate the hydrogen ion concentration and pH of 0.015MHCOOH (pKa = 3.75). (3) 9. Which of the following solutions has the lowest pH:0.015HCl (pKa very low), 0.015M acetic acid (CH3COOH)(pKa=4.75) and 0.015M formic acid (HCOOH)(pKa=3.75)(2) (qualitatively predict, NO need to show calculations.). 10. Which of the followings is NOT true? (2) (a) Strong acid has a higher Ka than that of a weak acid (b) Strong acid has a lower pKa than that of a weak acid (c) Strong acid has a greater tendency to lose protons than that of a weak acid (d) Strong acid has a higher pH than that of a weak acid at the same concentration. 11. Classify the following acids and bases as strong and weak. (4) HF,HCl,HBr,HI1H2SO4,HNO3,HClO4,HCN,H2S, H2CO3,CH3COOH,NaOH,KOH,RbOH,CsOH, NH4OH, and Al(OH)3. 12. Look at this website https://www.chem.ucalgary.ca/courses/351/Car ey5th/Ch27/ch27-1-4-2.html and write down the predominant species of isoleucine (ILE, I) at four different pH values: 2.0, 5.0, 7.0, and 10.0. (2) (Please copy and paste the link)