Show:
Particles
Mass
Volume
Spooky Time
100

How many atoms are in 8.50 moles of iron, Fe?

5.12 x 1024 atoms Fe

100

How many moles are in 5.00 grams of iron?

0.089 mol Fe

100

At STP, how many moles are in 5.20 L of carbon dioxide gas?

0.23 mol CO2

100

What is the molar mass of MgCl2?

95.21 g/mol

200

How many particles are in 3.00 moles of carbon C?

1.81 x 1024 particles C

200

How many moles are in 53.55 grams of Mo? 

0.56 mol Mo

200

At STP, how many moles are in 12.0
L of O2?

0.54 mol O2

200

What is the mass of the sample of 55.3 L of NH3?

42.07 g NH3

300

How many moles are in 3.20 x 1022 atoms Cu?

(scientific notation please)

 5.32 x 10-3 mol Cu

300
How many grams are in 7.50 moles of CaBr2?

1499.10 g CaBr2

300
What is the volume for 2.55 moles of nitrogen gas, N2?

57.12 L N2

300

What volume would 1.5 x 1025 molecules of CO2 occupy at STP?

558.14 L CO2

400

How many molecules is in 3.00 moles of CO2?

1.81 x 1024 molecules CO2

400

8.95 moles of Zr(OH)2 is what mass?

1120.90 g Zr(OH)2

400

How many liters are in 4.80 moles of fluorine gas, F2?

107.52 mol F2

400

What is the mass of 8.944 x 1018 Fe atoms in grams? (write answer in scientific notation)

8.30 x 10-4 g Fe

500

1.20 x 1024 molecules of NaBr is equal to how many moles?

1.99 mol NaBr

500

How many moles are present in 95.5 grams of SrCO3?

0.65 mol SrCO3

500
NH3 gas occupies 75.0 L at STP. How many molecules is this?

2.01 x 1024 molecules NH3

500

98.7 grams of CH4 has how many particles?

4.23 x 1024 particles CH4