atomic mass, average atomic mass, molecular mass

Flow Chart for Conversion OF Mass to Atoms and Vice Versa, Number OF Gram ions and ions,Average Atomic Mass, Average Molecular Mass,Solved Numerical Questions

Atom| molecule| Atomic mass | Molecular mass| Average atomic mass

Atomic Mass || Relative Atomic Mass || Molar Mass and Molecular Mass || Mole Concept and Calculation OF Moles

What Is Matter?|Atoms And Molecules|Mole : The Mass - Number Relationship|Molar Mass, Gram Atomic Mass And Gram Molecular Mass|Atomicity And Molecular Mass|Formulae For Mole Calculation|OMR

Atomic Mass Unit|Average Atomic Mass|Gram Atomic Mass And Gram Molecular Mass|Question|Mole And Number Relationship|Moel Concept|Mole And Mass Relationship|Mole And Volume Relationship|Mole Concept..... Inter-Conversion|OMR

In a polymer sample, 30% molecules have molecular mass 20000, 40% have molecular mass 30000 and the rest 30% have 60000. Calculate their number average and mass average molecular masses.

Which is used as the standard for comparing the atomic and molecular masses of substances?

The atomic mass of Ca is 40 and the molecular mass of CaCO_(3) is 100 . What is the percentage of Ca in CaCO_(3) ?