pH and Buffer Calculators
pH Calculator pH Calculator Hydrogen Ion Concentration [H+] (M): Calculate pH Reset Calculation Result pH Value
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pH Calculator pH Calculator Hydrogen Ion Concentration [H+] (M): Calculate pH Reset Calculation Result pH Value
Read MoreIdeal Gas Law Calculator Ideal Gas Law Calculator Solve for one variable in PV = nRT by providing the other three. * Use R = 0.0821 L·atm/(mol·K). Step 1: Enter Your Data Variable to Solve For: Pressure (P)Volume (V)Moles (n)Temperature (T) Pressure (atm): Volume (L): Moles (mol): Temperature (K): Calculate Unknown Variable Calculation Result Recalculate […]
Read MorePartial Pressure Calculator Partial Pressure Calculator Calculate the partial pressure of a gas from its mole fraction and the total pressure. * Enter the mole fraction as a decimal (e.g., 0.21 for 21%). Step 1: Enter Your Data Total Pressure (atm): Enter the total pressure of the gas mixture in atm Mole Fraction (X): Enter […]
Read MorepH of Acid Buffer Calculator pH of Acid Buffer Calculator Calculate the pH of a buffer solution using: \[ \text{pH} = \text{p}K_a + \log\left(\frac{[\text{A}^-]}{[\text{HA}]}\right) \] where [A⁻] is the concentration of the conjugate base and [HA] is the concentration of the acid. * Enter the buffer’s pKₐ, conjugate base concentration (mol/L), and acid concentration (mol/L). […]
Read MorepH of Salt of Weak Acid and Weak Base Calculator pH of Salt of Weak Acid and Weak Base Calculator Calculate the pH of a solution formed by the salt of a weak acid and a weak base using: \[ \text{pH} = 7 + \frac{1}{2}\left(pK_a – pK_b\right) \] * Enter the weak acid’s pKₐ and […]
Read MorepH of Salt of Weak Base and Strong Acid Calculator pH of Salt of Weak Base and Strong Acid Calculator Calculate the pH of a salt solution (from a weak base and strong acid) using: \[ \text{pH} = \frac{\mathrm{p}K_a – \log C}{2} \] * Enter the salt concentration (mol/L) and the pKa of the conjugate […]
Read MoreMaximum Yield of Intermediate Product Calculator Maximum Yield of Intermediate Product Calculator For a sequential reaction: \( \text{A} \xrightarrow{k_1} \text{B} \xrightarrow{k_2} \text{C} \), the intermediate B reaches its maximum concentration at: \[ t_{\text{max}} = \frac{\ln\left(\frac{k_2}{k_1}\right)}{k_2 – k_1} \] and the maximum yield of B (as a percentage of the initial A) is: \[ \%B_{\text{max}} = […]
Read MoreProduct Yield of Sequential Reaction Calculator Product Yield of Sequential Reaction Calculator Calculate the overall product yield for a sequential reaction system using: \[ \% \text{Yield} = \frac{Y_1 \times Y_2}{100} \] where \(Y_1\)% and \(Y_2\)% are the yields of each sequential step. * Enter the individual yields as percentages (0–100). Step 1: Enter Reaction Yields […]
Read MoreParallel Reaction Product Percentage Calculator Parallel Reaction Product Percentage Calculator Calculate the product percentages in parallel reactions using: \[ \%B = \frac{k_1}{k_1 + k_2} \times 100\% \quad \text{and} \quad \%C = \frac{k_2}{k_1 + k_2} \times 100\% \] * Enter the rate constants \(k_1\) and \(k_2\) (in consistent units). Step 1: Enter Rate Constants Rate Constant […]
Read MorepH of Salt of Weak Acid and Strong Base Calculator pH of Salt of Weak Acid and Strong Base Calculator Calculate the pH of a solution formed by the salt of a weak acid and a strong base using: \[ \text{pH} = 7 + 0.5\left(pK_a + \log C\right) \] * Enter the weak acid’s pKa […]
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