Chemical Compound Ratio Calculator

Calculate the mass or mole ratio of elements in a chemical compound by entering its formula. Supports detailed analysis with step-by-step explanations and visualizations.

Standard
Step Details
Chart

Result

Calculation Steps

Element Ratio Comparison

Formulas

Chemical Compound Ratio Calculation

Mass Ratio:

Mass Ratio of Element A = (n_A × M_A) : (n_B × M_B) : …

Mole Ratio:

Mole Ratio = n_A : n_B : …

Where:

  • n_X: Number of atoms of element X in the compound (subscript in formula).
  • M_X: Molar mass of element X in grams per mole (g/mol).

Usage Notes:

  • Results are rounded to 3 decimal places for precision.
  • Enter formulas with correct capitalization (e.g., H2O, not h2o).
  • Molar masses are sourced from standard periodic table values.

How to Use the Chemical Compound Ratio Calculator

  1. Enter Chemical Formula: Input the compound’s formula (e.g., H2O).
  2. Select Ratio Type: Choose between mass ratio or mole ratio.
  3. Choose Display Mode: Select standard, step-by-step, or chart view.
  4. Calculate: Click “Calculate” to process the data.
  5. Export Results (Optional): Download results as JSON.
  6. Reset Data: Click “Reset” to clear all fields.

FAQs (Frequently Asked Questions)

What is a chemical compound ratio?

A chemical compound ratio is the proportion of elements in a compound, expressed as either a mass ratio (based on molar masses) or a mole ratio (based on the number of atoms).

How is the mass ratio calculated?

The mass ratio is calculated by multiplying the number of atoms of each element by its molar mass and expressing the results as a ratio.

What is the difference between mass and mole ratios?

Mass ratio accounts for the molar masses of elements, while mole ratio is simply the ratio of the number of atoms of each element in the compound.

Why is the chemical formula case-sensitive?

Element symbols must follow standard notation (e.g., H for hydrogen, not h) to be correctly parsed and matched with molar masses.

Where can I find molar masses?

Molar masses are standard values from the periodic table, automatically used by the calculator. You can find them in chemistry textbooks or online databases like NIST.