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Molecular mass calculator

See every atom contribute to the mass of one mole.

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Scientific learning path

  1. 01UnderstandLive
  2. 02ExploreLive
  3. 03ExperimentLive
  4. 04ObserveLive
  5. 05ExplainLive
  6. 06ApplyLive
  7. 07TestLive
Explanation mode
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Water

H2O

Module 2 of 13

0°

Description of this simulation

Water (H2O): Molecular mass calculator — 18.015 g/mol. Two lone pairs compress the H–O–H angle and leave a strong net dipole.

Quick test · 3 questions
1. Which statement is evidence from this simulation?
2. How should you test the effect of one control?
3. Why read the model notes?

Live result

18.015 g/mol

Two lone pairs compress the H–O–H angle and leave a strong net dipole.

Molecule at a glance

Geometry
Bent
Symmetry
C₂v
Polarity
Polar
Bond angle
104.5°

What this model shows — and what it simplifies

Educational Model

Molar mass is computed from the same standard atomic weights used by the periodic table, multiplied by the parsed atom count in the molecular formula.

Where do we see this in real life?

Every solution recipe begins here: molar mass converts a weighed mass in grams into the number of molecules available to react.

Explain this result

Scientific review record

Building
Module version
v1 bundled
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Academic level
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