1. What is the pH of 0.01M HCl solution? ???? Ans. 2

2. What is the pH of 0.02M HCl solution?????

Ans 1.7

3. What is the pH of 0.01M NaOH solution? ?? Ans. 12

4. What is the pH of 0.02M NaOH solution????? Ans. 12.3

5. What is the concentration of the HCl solution if the pH is 3??

Ans. 0.001 M

6. What is the concentration of the HCl solution if the pH is 1.5??

Ans. 0.03

7. What is the concentration of the NaOH solution if the pH is 11??

Ans. 0.001 M

8. What is the concentration of the NaOH solution if the pH is 10.9?

Ans. 0.0008

9. What is the pH of the 0.12% HNO3 solution (H-1, N -14, O - 16)?

Ans. 1.7

10. 200 ml of 0.15 M NaOH was mixed with 300 ml of 0.15 M HCl. Calculate the pH of the mixture. ??? ????

?Ans. 1.52

11. 150 ml of HNO3 solution contains 0.6 g of HNO3. What is the pH of this solution?

(N –14, O – 16, H – 1 d=1 g/ml). Ans. 1.2

12. 150 ml of HCl solution contains 0.5 g of HCl. What is the pH of this solution?

(Cl –35.5, H – 1 d=1 g/ml).?????Ans. 1.04