Lecture 6 - Balanced Chemical Equations Flashcards Preview

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Flashcards in Lecture 6 - Balanced Chemical Equations Deck (10)
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1

the mass percent of each element present in a compounds

percentrage composition

2

Formula:

% element =

(mass of element/total mass) x 100

3

useful amount of a chemical substance

the mole

4

the mass of one mole of a substance

molar mass

5

atoms are _________ and moles are ____________

microscopic, macroscopic

6

avogadro's number

6.022 x 10^23

7

molar mass relates a mole to the mass of and ______ and a _______

element, compound

8

avogadro's number relates as mole to the number of atoms in a sample of ________ and ________

an element, compounds

9

the macroscopic interpretation of a chemical formula is based on...

a mole of the substance

10

the macroscopic interpretation of a chemical formula allows you to determine the number of...

moles of an element in a compound