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Theory
Mols to Atoms
Atoms to Mols
Atomic Mass
Wildcard
100
What do mols measure?
The amount of particles in a substance
100
1 mol of Na to atoms
6.02x10^23 atoms Na
100
6.02x10^23 atoms Ne
1 mol Ne
100
Atomic mass of Y in amu
88.91 g/mol
100
What does AMU stand for?
atomic mass unit
200
What is Avogadro's number?
6.02x10^23
200
.1 mols of NaCl in formula units
6.02x10^22 formula units of NaCl
200
6.02x10^24 atoms of Cu
10.0 mols Cu
200
Molar mass of Al in g/mol
26.98 g/mol
200
What does MINOH stand for?
Metals, ions, nonmetals, oxygen, hydrogen
300
What are the three representative particles?
atoms, molecules, formula units
300
1.45 mols of Zn in atoms
8.73x10^23
300
1.78x10^24 atoms Au
2.96 mols Au
300
Molar mass of NaCl in g/mol
58.44 g/mol
300
What is the SI unit for mass?
kilograms
400
What subatomic particles go into measuring atomic mass?
Protons and neutrons
400
.678 mols H2O
4.08x10^23 molecules of H2O
400
8.93x10^22 molecules of CO2
0.148 mols CO2
400
Molar Mass of MgBr2 in
184.11 g/mol
400
What is the Greek prefix for 7?
heat
500
Why was Avogadro's number chosen for defining a mol?
It is the number of particles that allows the mass in grams of a substance to be equal to the mass in amus of one particle of that substance.
500
2.24 mols MgBr2
1.35x10^24 formula units of MgBr2
500
5.44x10^23 formula units NaOH
0.903 mols NaOH
500
Molar mass of Ca3(PO4)2 in g/mol
310.18 g/mol
500
What is the common name for NH3?
ammonia