Formulas
Molar Mass
One-step mass
Avogadro's number
Random Chemistry
100
What is this formula solving for?
What is grams
100
What is the molar mass of CaO
56.08 grams
100
How many moles are equal to 89.23g of calcium oxide, CaO?
1.591 mols CaO
100
How many atoms are in 2.5 moles of sodium
1.51 x 1024 atoms
100
What is the only letter that does not appear on the periodic table
J
200
What is this formula solving for ?
What is moles
200
What is the molar mass of Na2S
78.05 grams
200
How many grams are equal to 3.46 moles of sodium sulfide, Na2S
270.05 grams Na2S
200
How many atoms are in 0.50 moles of magnesium (Mg)?
3.01 x 1023 atoms
200
What is Mars red?
Its surface contains Iron Oxide (Rust)
300
What is this formula solving for?
What is moles
300
What is the molar mass of AlCl3
133.33 grams
300
How many moles are equal to 145g of zinc nitrate, Zn(NO3)2
0.77 moles
300
How many molecules are in 1.2 moles of water (H₂O)?
7.23 x 1023 molecules
300
What percent of the average human body is made up of empty space?
99%
400
What is this formula solving for
What is number of particles (atoms or molecules)
400
What is the molar mass of Mg(CO3)
84.32 grams
400
How many grams are equal to 5.6 moles of Lead Oxide, PbO
1249.92 grams
400
How many moles of sodium chloride (NaCl) are in 2.41×1024 molecules?
4.0 moles
400
True of false, DNA is flammable
False
500
What is this formula solving for?
number of particles ( atoms or molecules)
500
What is the molar mass of Zn(NO3)2
189.40
500
How many moles are equal to 96.5 grams of O2
3.02 moles
500
How many moles of Carbon Dioxide, CO2, are there in 4.75 x 1023 atoms
0.79 moles
500
Which 2 metals do not have a silver appearance?
Gold and Copper