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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 |