Acidic and Basic Solutions

Question 1

Calculate the pH of each solution, given its concentration of hydrogen ions.

Solution 1.1: 4 × 10−6 M, pH of

Solution 1.2: 1.5 × 10−9 M, pH of

Solution 1.3: 8.3 × 10−4 M, pH of

Solution 1.4: 2.25 × 10−7 M, pH of

Solution 1.5: 3.00 × 10−8 M, pH of

Answer 1

Solution 1.1: 4 × 10−6 M, pH of 5.4

Solution 1.2: 1.5 × 10−9 M, pH of 8.82

Solution 1.3: 8.3 × 10−4 M, pH of 3.08

Solution 1.4: 2.25 × 10−7 M, pH of 6.648

Solution 1.5: 3.00 × 10−8 M, pH of 7.523

Question 2

Classify each of the solutions above as acidic, basic, or neutral.

Solution 1.1 is

Solution 1.2 is

Solution 1.3 is

Solution 1.4 is

Solution 1.5 is

Answer 2

Solution 1.1 is acidic .

Solution 1.2 is basic .

Solution 1.3 is acidic .

Solution 1.4 is acidic .

Solution 1.5 is basic .

Question 3

Calculate the hydrogen ion concentration of each solution, given its pH.

Solution 3.1: pH of 2.8,

Solution 3.2: pH of 7.4,

Solution 3.3: pH of 5.14,

Solution 3.4: pH of 12.055,

Solution 3.5: pH of 3.260,

Answer 3

Solution 3.1: pH of 2.8, 2 × 10^ -3 M

Solution 3.2: pH of 7.4, 4 × 10^ -8 M

Solution 3.3: pH of 5.14, 7.2 × 10^ -6 M

Solution 3.4: pH of 12.055, 8.81 × 10^ -13 M

Solution 3.5: pH of 3.260, 5.50 × 10^ -4 M

Question 4

Classify each of the solutions above as acidic, basic, or neutral.

Solution 3.1 is

Solution 3.2 is

Solution 3.3 is

Solution 3.4 is

Solution 3.5 is

Answer 4

Solution 3.1 is acidic .

Solution 3.2 is basic .

Solution 3.3 is acidic .

Solution 3.4 is basic .

Solution 3.5 is acidic .