pH calculations prep questions and correct answers GRADED A+

PH CALCULATIONS PREP
QUESTIONS AND
CORRECT ANSWERS
GRADED A+ 2025-2026
Determine the pH of a 0.010 M HNO₃ solution. - ANS-pH = 2


What is the pH of a 2.5x10⁻⁶ M solution of HCl? - ANS-pH = 5.6


Calculate the pH of a solution of 0.0025 M H₂SO₄. - ANS-pH = 2.6



Calculate the pH of a 0.0010 M NaOH solution. - ANS-pH = 11


What is the pH of a 0.020 M Sr(OH)₂ solution? - ANS-pH = 12.3



What is the hydrogen ion concentration of an aqueous HCl solution that has a pH of
3.0? - ANS-[H⁺] = 0.001 M



What is the hydroxide ion concentration of an aqueous HCL solution that has a pH of
3.0? - ANS-[OH⁻] = 1x10⁻¹¹ M


Find the [H⁺] and the [OH⁻] of a solution with a pH of 3.494. - ANS-[H⁺] = 3.2 x 10⁻⁴ M
[OH⁻] = 3.1 x 10⁻¹¹ M


Calculate [H⁺] of a solution whose [OH⁻] = 1x10⁻⁵ M. - ANS-[H⁺] = 1x10⁻⁹ M