Molar Mass 計算機

計算 the molar mass と molecular weight of any chemical formula instantly. Supports complex formulas with parentheses と hydrates. 無料, accurate, と 100%クライアントサイド.

Quick 例s:

について Molar Mass 計算機

The molar mass (or molecular weight) of a compound is the sum of the atomic masses of all atoms in its chemical formula. This tool parses any valid chemical formula — including those with nested parentheses と hydrates — と calculates the total molar mass along with a detailed element-by-element breakdown. すべての計算はブラウザ内で完全に実行されます; データはサーバーに送信されません.

機能

使い方

  1. Enter a chemical formula in the input field, or click one of the example buttons
  2. The tool automatically parses the formula と calculates the molar mass
  3. View the total molar mass in g/mol と the detailed element breakdown
  4. Check the mass percentage of each element in the compound
  5. Use the コピー button to copy the full result

Common Use Cases

よくある質問

What is molar mass?

Molar mass is the mass of one mole of a substance, expressed in grams per mole (g/mol). It is calculated by summing the atomic masses of all atoms in a chemical formula. For example, the molar mass of water (H₂O) is approximately 18.015 g/mol.

How do I enter a chemical formula?

Enter formulas using standard chemical notation. Use element symbols (H, C, O, Na, Fe, etc.) followed by numbers for atom counts. Use parentheses for groups, like Fe₂(SO₄)₃. For hydrates, use a dot like CuSO₄·5H₂O.

Does this tool support hydrates?

はい! You can enter hydrate formulas using a dot separator, such as CuSO₄·5H₂O (copper(II) sulfate pentahydrate). The tool will correctly calculate the molar mass including the water molecules.

What elements are supported?

The tool supports all 118 elements of the periodic table, from Hydrogen (H) to Oganesson (Og), with standard atomic weights from IUPAC.

Is this計算機 accurate?

はい, the計算機 uses standard atomic weights from the IUPAC periodic table. 結果s are accurate to 3 decimal places, which is sufficient for most chemistry calculations.