What is the conversion factor to go from mass to moles?
Molar Mass
T/F: You can go from mass to particles in one step.
FALSE
What is Avogadro's Number?
6.02 x 1023
All of your percentages should add up to what?
100%
T/F: Empirical Formulas are the SIMPLIFIED formulas
True
What is the conversion factor to go from moles to particles?
Avogadro's Number
What conversion factors would you need to go from mass to particles?
molar mass
avogadro's number
What does mole mean in Latin?
Huge Pile
What is the formula to determine percent composition?
Mass of element/molar mass of compound x 100
T/F: Ionic compounds have only one possible empirical formula.
True
How many moles are in 3.5 L of water?
0.16 mol H2O
How many atoms are in 168 g of Barium?
7.36 x 1023 atoms of Barium
Define STP
Standard Temperature & Pressure
Temp of 0 degrees C and pressure of 1 atm
What is the percent of carbon in Carbonate?
20.01%
What is the empirical formula for a compound that is 82.24% N and 17.76% H?
NH3
How many moles are in 2.36 x 1026 formula units of Magnesium Chloride?
392 moles Magnesium Chloride
What is the volume of 1.39 x 1023 molecules of water?
5.17 L H2O
I earned the Nobel Prize for computing Avogadro's number using many different methods and named this constant in honor of Avogadro. Who am I?
Perrin
What is the % of Ba in Barium Nitrate?
52.55% Ba
What is the empirical formula for a compound that is 83.7 % carbon and 16.3 % hydrogen?
C3H7
How many grams are in 250 moles of Beryllium Phosphate?
54000 g Beryllium Phosphate
How many grams are 5.68 x 1024 formula units of NaCl?
551 g NaCl
Define what type of particles accompany the different types of bonds.
Ionic = Formula Units
Covalent = Molecules
Element = atoms
What is the % of each element in Ni3(PO4)2?
48.11% Ni
16.92% P
34.97% O
What is the molecular formula for a compound that is 74.0% C, 8.70% H, and 17.3% N and has a molar mass of 243.39g?
C15H21N3