Chapter 10 Flashcards

1
Q

Mole

A

the SI unit of amount of substance, equal to the quantity containing as many elementary units as there are atoms in 0.012 kg of carbon-12.

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2
Q

Avogadro’s number

A

number of units in one mole of any substance (defined as its molecular weight in grams), equal to 6.022 × 10^23

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3
Q

Molar Mass

A

physical property defined as the mass of a given substance (chemical element or chemical compound) divided by the amount of substance.

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4
Q

Empirical formula

A

simplest positive integer ratio of atoms present in a compound

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5
Q

Molecular formula

A

a formula giving the number of atoms of each of the elements present in one molecule of a specific compound.

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6
Q

Hydrates

A

a compound, typically a crystalline one, in which water molecules are chemically bound to another compound or an element.

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