Moles & Particles
Moles &
Grams
Moles & Volumes of Gas at STP
Grams & Particles
Particles & Volume of Gas at STP
100
The number of K+ ions in O.40 mol of KCl
2.41 x 10 23 K+ atoms
100
50.0 kg of ammonium sulfate
6.6 x 10 6 g.
100
Volume of 10. g. of NH3 at STP
What is 13.2 L NH3
100
The mass of 3.01 x 10 24 helium atoms (in grams).
What is 25 g.
100
The number of atoms in 7.2 L of sodium chloride
What is 5.3 x 10 21 atoms
200
the number of atoms in 7.50 mol of SO2
1.35 x 10 25 atoms
200
The number of moles in 7.04 lead(II) nitrate
2.1 x 10 -2 moles
200
Volume of 0.50 moles of NH3 at STP
What is 11.2 L NH3
200
The number of molecules in 11.2 oxyge gas at STP
What is 6.02 x 10 23 molecules
200
number of atoms in 0.54 L f oxygen gas
What is 8.0 x 10 19 atoms
300
The Number of CO2 molecules in 100 moles
What is 6.02 x 10 25 CO2 molecules
300
Number of grams in 7.20 mol of dinitrogen trioxide
What is 547 g.
300
3.20 moles of O2 at STP
What is 71.7 L O2
300
The numer of water molecules in 36 grams of water
What is 1.204 x 10 24 molecules
300
Number of atoms in 6.35 of Titanium
What is 4.7 x 10 21 atoms
400
Atoms contained in 2.14 mole CO
What is 2.58 x 10 24 atoms
400
488 mol of calcium carbonate, CaCO3
What is 4.88 x 10 4 g.
400
28.0 g of N2 at STP
What is 22.4 L N2
400
The number of NH3 in 0.17 g of ammonia (in grams).
What is .04 molecules
400
The number of molecules in 0.036 L of NH3
What is 1.1 x 10 20 molecules
500
Number of moles in 2.80 x 10 24 atoms of Silicon
What is .465 moles/ 4.65 x 10 -1 moles
500
Numbe of moles in 92.2 g of Iron (III) Oxide
What is .576 mol/ 5.76 x 10 -1 mol
500
60 g. of CO2 at STP
What is 31.4 L CO2
500
the mass of 1.8 x 10 2 CO2 molecules (in grams).
What is 12.76 g.
500
The number of oxygen atoms in 54.3 L in sucrose
What is 4.4 x 10 23 O atoms
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