Mole/Particle
How many moles are 5.92x1071 gold atoms?
9.83 moles Au
What is the mass of 14.5 moles of hydrogen peroxide (H2O2)?
493 g
If I had 2.3 moles of hydrogen gas, how many liters would I have?
51.52L
What is the mass in grams of 1.20 x 1025 atoms of phosphorous?
6.17 g
Calculate the percent composition by mass of the elements in sodium carbonate, Na2CO3.
Na: 43.4 %
C: 11.3%
O: 45.3 %
How many moles of magnesium are in 3.01 x 1022 atoms of magnesium?
0.05 moles Mg
Find the number of moles of argon in 452 g of argon.
11.31 moles
If I have a balloon with a volume of 14.52 L, how many moles are gas are in the balloon?
0.65 mol
Find the mass, in grams, of 1.00 x 1023 molecules of N2.
4.65 g
Calculate the percent composition by mass of Carbon in Mg(C2H3O2)2
33.7%
How many molecules are there in 0.655 moles C6H14?
3.94 x1023
Find the mass in grams of 2.23 moles of Fluorine gas
84.74 g F2
If you have 1.34 mol of Br2 gas, how many liters do you have?
30.02L
How many grams does 5.60 x 1022 molecules of silicon dioxide weigh?
5.59 g
What is the percent composition of C4H6O
68.54% carbon
8.63% hydrogen
22.83% oxygen.
How many molecules are there in 4.00 moles of glucose, C6H12O6?
2.41 x 1024 molecules
What is the mass of 5 moles of Fe2O3?
798.5 g
If you have 0.63L of CO2 gas, how many molecules of CO2 gas do you have?
1.69 x 1022 molecules
What is the volume of 1.2 grams of water vapor at standard temperature and pressure (STP)?
1.49 L
What is the empirical formula for a compound containing 5.9265% H, 94.0735% O.
HO
How many moles of H2SO4 do you have if you have 6.02 x 1023 atoms of oxygen?
0.25 moles
How many moles in 28 grams of CO2?
0.64 moles
I have a hot air balloon that I need to inflate. The balloon can hold 5.45 kL. How many moles of hot air would I need to fill the balloon.
243.3 mol
Calculate the number of atoms of sodium sulfate present in a 20.0 gram sample.
5.93 x 1023 atoms
What is the empirical formula phenyl magnesium bromide if it contains 39.7458% C, 2.77956% H, 13.4050% Mg, 44.0697% Br.
C6H5MgBr