Module 3
Whats the symbol for mole?
Mol
Whats the molar mas for CO2?
44.01 gr/mol
24 grams of C to moles
2 moles
What topic are we learning?
moles,conversions with moles,molar mass
Whats molar mass?
Sum of mass of each element in a compound
Whats the molar mass of FrI?
349.9 g/mol
5.00 moles of Ag to grams
539.5 grams
When do you have youre exam 1?
Wednesday 18th september
What do you need to do to convert atoms to moles?
DIVIDE BY AVOGADRO’S
Whats the moler mass for CuSO4?
159.5 g/mol
25.0 moles of Kr to # of atoms
1.51x10^25 atoms
What time are my office hours?
M 10:30-11:30
F 12:30-1:30
What are isotopes?
DIFFERENT NUMBER OF NEUTRONS IN THE SAME ELEMENT
Whats the molar mass for Zn(OH)2?
99.41 g/mol
294 grams of Au to # of atoms
8.98x10^23 atoms
Name 1 other peer leader
Angelina, Pau, Leslie, Carlos, etc.
What is Avogadros number?
6.022x10^23
Whats the molar mass of KAl(SO4)2?
258.2 g/mol
1.204x10^23 atoms of Bi to grams
41.8 grams
What is the class CRN?
WED-11414
THUR- 14513