Chapter 7: Stoichiometry Flashcards
1
Q
What is stoichiometry?
A
The analysis of a chemical equation
2
Q
A mole means________
A
6.02•10^23
3
Q
What two things does the chemical symbol tell us?
A
- Mass of a single atom in amu
- The number of grand you need to collect to have a mole of those atoms
4
Q
What hygroscopic mean?
A
Readily absorbing moisture even from the atmosphere
5
Q
What is the Avogadros number/constant?
A
6.02•10^23
6
Q
True/false: always use the rule of addition for significant figures when determining mass
A
True
7
Q
What is a limiting reactant?
A
The reactant that runs out first, limiting the amount of products made
