DrPhos' pH Calculator
Master pH Problems Instantly
About
This tool instantly calculates pH, pOH, and ion concentrations for strong and weak acids and bases. It supports molarity and scientific notation, ensuring accurate results for general chemistry problems.
What's New in DrPhos' pH Calculator
3.0
July 29, 2025
• Now supports weak acid and base calculations using Ka and Kb • Improved UI for entering concentrations and switching between inputs • Added visual feedback for calculated values • Bug fixes and performance improvements for smoother operation
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FAQ
What is DrPhos' pH Calculator used for?
DrPhos' pH Calculator is designed to instantly solve acid-base problems in general chemistry. It can calculate pH, pOH, [H⁺], and [OH⁻] for both strong and weak acids and bases.
Does DrPhos' pH Calculator handle weak acids and bases?
Yes, DrPhos' pH Calculator automatically solves equilibrium expressions for weak acids and bases using their respective Ka or Kb values.
Can I convert between pH and concentration with DrPhos' pH Calculator?
Yes, the app allows you to convert between pH and concentration, as well as calculate [H⁺] or [OH⁻] from any single given value.
What additional chemistry tools are available with DrPhos' pH Calculator?
You can unlock more chemistry tools, such as a Significant Figures Counter, Molar Mass Calculator, and Equation Balancer, through in-app purchases.
How much does DrPhos' pH Calculator cost?
The base DrPhos' pH Calculator is free. Individual additional tools can be unlocked for $0.99 each, or you can purchase the full GenChem Helper for $9.99.
What devices support DrPhos' pH Calculator?
DrPhos' pH Calculator is available for iPhone and iPad devices.
How often is DrPhos' pH Calculator updated?
The latest version, 3.0, was released on July 29, 2025, indicating active development and updates.
What is the age rating for DrPhos' pH Calculator?
DrPhos' pH Calculator has an age rating of 4+, making it suitable for a wide range of users.
