Molar Mass Calculator Molar Mass Calculator Calculate the molar mass of a compound using its chemical formula. \( V_m = \frac{V}{n} \) is not used here; instead, the formula is parsed. * Enter the chemical formula (e.g., H₂O, C₆H₁₂O₆, Ca(OH)₂). Step 1: Enter Chemical Formula Chemical Formula: Example: H2O, C6H12O6, Ca(OH)2 Calculate Molar Mass Calculated […]
Read MoreMolar Volume Calculator Molar Volume Calculator Calculate the molar volume using the formula: \[ V_m = \frac{V}{n} \] * Enter the volume (L) and the number of moles (mol). Step 1: Enter Data Volume, \( V \) (L): Example: 1 L Number of Moles, \( n \) (mol): Example: 1 mol Calculate Molar Volume Calculated […]
Read MoreMolarity to Molality Converter Molarity to Molality Converter Convert molarity (mol/L) to molality (mol/kg) using: \[ m = \frac{M \times 1000}{\rho \times 1000 – M \times M_s} \] * Enter the solution’s molarity, density (in g/mL), and the molar mass of the solute (g/mol). Step 1: Enter Values Molarity, \( M \) (mol/L): Example: 1 […]
Read MoreReduction Potential Calculator Reduction Potential Calculator Calculate the cell potential using the Nernst equation: \[ E = E^\circ – \frac{RT}{nF}\ln(Q) \] * Enter \( E^\circ \) (in Volts), reaction quotient \( Q \), number of electrons \( n \), and temperature \( T \) (in Kelvin). Step 1: Enter Parameters Standard Reduction Potential, \( E^\circ […]
Read MorepH of Basic Buffer Calculator Estimate the pH of a basic buffer solution using the Henderson–Hasselbalch equation: \[ \text{pH} = 14 – \left(\text{p}K_b + \log\frac{[\text{BH}^+]}{[\text{B}]}\right) \] or equivalently, \[ \text{pH} = 14 – \text{p}K_b + \log\frac{[\text{B}]}{[\text{BH}^+]} \] * Enter the pK₍b₎ of the weak base, the concentration of the base [B] (mol/L), and the concentration […]
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 MoreEmpirical Formula Calculator Empirical Formula Calculator Enter the element symbols and their masses (in grams) to calculate the simplest whole‑number ratio (empirical formula). * Sample data is preloaded (C, H, O) Step 1: Enter Element Data Element 1 Symbol: Mass of Element 1 (g): Element 2 Symbol: Mass of Element 2 (g): Element 3 Symbol: […]
Read MoreMolar Mass Calculator Molar Mass Calculator Enter a chemical formula (e.g., C6H12O6) to compute its molar mass. * Use standard chemical notation without spaces. Step 1: Enter Compound Formula Compound Formula: Example: C6H12O6 for glucose Calculate Molar Mass Molar Mass Result Molar Mass (g/mol): Recalculate General Formula: $$ M = \sum_{i} n_i M_i $$ where […]
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 MoreBuffer Maker Calculator Buffer Maker Calculator Calculate the mass of acid and base required to prepare a buffer at a given pH. Target pH: Acid pKa at 25°C: Temperature (°C): A simple correction is applied: adjusted pKa = pKa – 0.01 × (T – 25) Total Buffer Concentration (mol/L): Volume (L): Molecular Weight of Acid […]
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