learn.howToCalculate
learn.whatIsHeading
Molar mass (molecular weight) is the mass of one mole (6.022 × 10²³ molecules) of a substance. It is calculated by summing the atomic masses of all atoms in the chemical formula.
단계별 가이드
- 1Identify each element and its count in the formula
- 2Look up each element's atomic mass (from the periodic table)
- 3Multiply each atomic mass by its count
- 4Sum all values — the result is in g/mol
풀어진 예시
입력
H₂O
결과
18.015 g/mol
2×1.008 + 15.999
입력
NaCl
결과
58.44 g/mol
22.99 + 35.45
입력
C₆H₁₂O₆ (glucose)
결과
180.16 g/mol
6×12 + 12×1.008 + 6×16
계산할 준비가 되셨나요? 무료 Molecular Weight 계산기를 사용해 보세요
직접 시도해 보세요 →