TeachFX vs DrPhos' pH Calculator

TeachFX is a tool designed for teachers that surfaces unique insights about the learning dynamics in the classroom—such as on ratios of talk, lesson design, academic language, questioning techniques, think time, turn taking, participation patterns and on many more instructional practices. Use it during instruction to capture the conversations between you and your students, and get visible evidence of student engagement. It’s all personalized and private to you, and designed to foster your reflection and growth. Try it out today!

Easily Calculate pH, pOH, [H⁺], and [OH⁻] The DrPhos pH Calculator is a fast, reliable tool for solving acid-base problems in general chemistry. It supports both strong and weak acids and bases—automatically solving equilibrium expressions using the appropriate Ka or Kb values. Whether you’re converting between pH and concentration, calculating [H⁺], or just checking your work, this app provides accurate, instant results. Features: • Calculate pH, pOH, [H⁺], or [OH⁻] from any one value • Handles strong and weak acids/bases with Ka or Kb • Built-in support for molarity and scientific notation • Maintains pH + pOH = 14 automatically • Clean, focused layout with visual feedback Need more chemistry tools? Unlock additional features within the app or explore the full DrPhos GenChem Helper, which includes: • Significant Figures Counter • Molar Mass Calculator • Ionic Compound Builder • General Chemistry Naming Tool • Equation Balancer • Stoichiometry Solver • Solution Concentration Calculator • Integrated Rate Law Calculator • Scientific Calculator • Quadratic Equation Solver Unlock individual tools for $0.99 each—or get everything in the full GenChem Helper for just $9.99.