Answer to Question #181458 in General Chemistry for Isko Peta

Question

Find the pH and the pOH of the solution. Show your work and use correct sig. figs.

1. A 0.023 M solution of hydrochloric acid

2. A 6.6 x 10 ^-6 M solution of nitric acid

3.  A 0.0334 M solution of potassium hydroxide

4. A 1.0 x 10 ^-5 M solution of hydro arsenic acid

5.  A 2.23 x 10 ^-2 M solution of aluminum hydroxide

6. A 0.000901 M solution of magnesium hydroxide

7. A 7.23 x 10 ^-5 M solution of hydro sulfuric acid

8. A 2.58 x 10 ^-6 M solution of hydrochloric acid

9. A 0.000469 M solution of sodium hydroxide

10. A 0.000896 M solution of sulfuric acid

 

Answer 1

PH = -log(H+)

= -log 0.023 = 1.64