Reference no: EM131249391

1. What H₃O⁺ concentration corresponds to each pH value: (a) 12.600; (b) 8.300; (c) 4.200?

2. Convert each H₃O⁺ concentration to a pH value.

b. 8.25 ×10^-9M

3. Convert each H₃O⁺ concentration to a pH value.

a. 0.053 M

b. 0.0000000159 M

4. Calculate the H₃O⁺ concentration from each pH: (a) 2.40; (b) 8.70.

5. Calculate the value of [^-OH] from the given [H₃O⁺] in each solution and label the solution as acidic or basic:

(a) [H₃O⁺] = 2.2 ×10^-11M;

(b) [H₃O⁺] = 3.8 ×10^-2M.

6. Calculate the value of [H₃O⁺]from the given [^-OH]in each solution and label the solution as acidic or basic:

(a) [^-OH]= 7.1 ×10^-9M;(b) [^-OH]= 9.4 ×10^-4M.

7. Calculate the value of [OH^-] from the given [H₃O⁺] and label the solution as acidic or basic.
a. 1.9 ×10^-5M
b. 7.8 ×10^-10M

8. Calculate the pH of each aqueous solution: (a) 0.0066 MHCl; (b) 0.000012 M KOH.