Lecture 6 - Balanced Chemical Equations Flashcards
1
Q
the mass percent of each element present in a compounds
A
percentrage composition
2
Q
Formula:
% element =
A
(mass of element/total mass) x 100
3
Q
useful amount of a chemical substance
A
the mole
4
Q
the mass of one mole of a substance
A
molar mass
5
Q
atoms are _________ and moles are ____________
A
microscopic, macroscopic
6
Q
avogadro’s number
A
6.022 x 10^23
7
Q
molar mass relates a mole to the mass of and ______ and a _______
A
element, compound
8
Q
avogadro’s number relates as mole to the number of atoms in a sample of ________ and ________
A
an element, compounds
9
Q
the macroscopic interpretation of a chemical formula is based on…
A
a mole of the substance
10
Q
the macroscopic interpretation of a chemical formula allows you to determine the number of…
A
moles of an element in a compound
