Measuring Matter
What is the number 6.02x10^23, which is the number of representative particles in a mole?
Avogadro's Number
What is the percent composition of Br in NaBr?
77.7%
5.93g is how many moles of ZnCl2
What is the mass of 4.35x10^-2 mol of zinc chloride(ZnCl2)?
Convert 45 Grams of Water to Molecules
1.5 x 10 24 Molecules
What is the molar mass of CH3
15 g/mol
What is the EF from the MF of
P4O6
P2O3
A compound composed of: 72% iron and 27.6% oxygen by mass.
Fe3O4
Write the molecular formulas of the following compounds:
A compound with an empirical formula of C2OH4 and a molar mass of 88 grams per mole
C4O2H8
This movie had characters such has Kevin, Buzz, Harry and Marv
Home Alone
Which measurement has more mass?
Calcium
The percent composition of each element in phosphoric acid
(H3PO4)?
What is 3.08%H, 31.61%P, 65.31%O
How many Moles are in a sample of 45 grams of Lithium?
6.42 Moles
Convert 4.96 x 10 23 atoms of Lead to Moles
0.82 Moles
What is the molar mass of NH3OH
34 g/mol
What is the EF from the MF?
CH2OHCH2OH
CH3O
A compound composed of: 9.93% carbon, 58.6% chlorine, and 31.4% fluorine.
CCl2F2
Write the molecular formulas of the following compounds:
A compound with an empirical formula of C4H4O and a molar mass of 136 grams per mole.
C8H8O2
She is still and always will be Jenny from the Block.
Who is Jennifer Lopez
Define Mole
What is the SI base unit used to measure the amount of a substance?
The % composition of Na in NaBr?
What is 22.3%
0.0403mol is how many grams of ZnSO4
What is 6.50g ZnSO4
Convert 4.78 Grams of Helium to Atoms
7.19 x 10 23 Atoms
What is the Molar Mass of H3PO4
98 Grams
What is the EF from the MF?
C6H9
C2H3
A compound composed of: .556g carbon and .0933g hydrogen.
CH2
Write the molecular formulas of the following compounds:
A compound with an empirical formula of CFBrO and a molar mass of 254.7 grams per mole.
C2F2Br2O2
Simba's wife in the Lion King
Who is Nala
How do we find the molar mass of a compound?
Add up the Masses of each individual element
Is the percent composition of O larger in CO2 or NO2
What is CO2
How many atoms are in 2 mol of Carbon?
What is 1.204*10^24
Convert 8.45 x 10 23 molecules of Carbon Dioxide to Grams
61.76 grams
the molar mass of C6H6
78g/mol
What is the EF from the MF?
C10H22
C5H11
A compound with a molecular mass of 70g/mol and an empirical formula of CH2.
C5H10
Write the molecular formulas of the following compounds:
A compound with an empirical formula of C2H8N and a molar mass of 46 grams per mole.
C2H8N
Steph Curry plays for which NBA team
Golden State Warriors
What are three possible units of A in GMA?
The A in GMA?
Atoms
Molecules
Ions
Formula Units
Define Percent Composition
Mass of the Element / Mass of the Compound
The Multiple by 100
How atoms are 45 grams of O2 ?
8.46 x 10 23 Atoms
Convert 88 Grams of Carbon Monoxide to Moles
3.14 Moles of CO
What is the molar mass of SO4
96 g/mol
What is the EF from the MF?
Hg2F2
HgF
A compound with a molecular mass of 46.0g/mol and an empirical formula of NO2
NO2
What is the Molecular Formula?
The Molecular Formula is the true formula based off the Molar Mass of the Compound
What NFL Teams play in California. (3)
Chargers
Rams
49ers