chemistry chap 3 Flashcards
1
Q
why may be calculating the formula of salts be inaccurate
A
Assumption 1: all water has been lost- some water may have not evaporated
Assumption 2: no further decomposition - some salts with excess heating may decompose
2
Q
what is a standard solution
A
a solution of a known concertation
3
Q
what is molar gas volume
A
volume per mol of gas molecules at a stated temp or pressure
4
Q
RTP
A
RTP- 20 degrees
pressure- 101 kpa
molar gas volume: 24.00 dm3
5
Q
amount mole =
A
volume/molar gas volume
6
Q
equation of ideal gas volume
A
PV= NRT
7
Q
molecular formula-
Empirical formula-
A
1) number of atoms of each element in a molecule
2) the simplest whole number ratio of atoms of each element in a compound
