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JPChapter 3
Exam#1
| Question | Answer |
|---|---|
| Molecular Weight (MW) | the sum of the atomic weights of all the atoms in molecule of a substance |
| Formual Weight (FW) | the sum of the atomic weights of all the atoms in a formual unit of a substance |
| Mole | defined as the quantity of a given substance that contains as many molecules or formual unit as the number of atoms in exactly 12g of carbon-12 |
| Molar Mass | mass of one mole of a substance |
| Avogadro's Number | number of atoms in a 12g sample of carbon-12 |
| Empirical Formula | formula of a substance written with the smallest integer (whole number) subscripts- simplest formula |