Unit 1 Flashcards
1
Q
What is molar mass?
A
The mass of one mole of a substance.
2
Q
What is a mole?
A
The SI base unit used to measure the amount of a substance.
3
Q
What is Avogadro’s Number?
A
The number used to convert moles into atoms, molecules, etc. (6.022 x 10^23)
4
Q
What is percent composition?
A
The percent by mass of each element in a compound.
5
Q
What is a heterogenous mixture?
A
A mixture in which different materials can be distinguished easily.
6
Q
What is a homogenous mixture?
A
A mixture in which substances are evenly distributed throughout the mixture.
