The Mole
Avogadro's number
What is 6.022 x 1023?
The number of atoms in 8.92 moles of sodium.
What is 5.37 x 1024 atoms?
The mass of 3.67 moles of iron.
What is 204.97 grams?
A mining company obtains 450 kg of iron from 1257 kg of iron ore. The percent composition of iron in the ore is _____.
What is 35.8%?
The molarity of 3.0 L of solution that contains .46 moles of sucrose.
What is .15 M?
The mass of one mole of aluminum.
What is 26.98 grams?
The number of molecules in 5.32 moles of KMnO4.
The number of moles in 100 grams of carbon monoxide.
What is 3.57 moles?
(CO)
The mass percent of carbon in carbon dioxide.
What is 27.3%?
(CO2)
The molarity of a solution that contain 3.5 g of NaCl in 200 mL of solution.
What is .30 M?
The mass of one mole of carbon dioxide.
What is 44.01 grams?
(CO2)
The mass in grams of 3.78 x 1022 atoms of gold.
What is 12.36 grams?
The number of moles in 34 L of Argon at STP.
What is 1.5 moles?
The empirical formula of a compound containing 22.2% carbon, 3.74% H, and 74.0% oxygen.
What is C2H4O5?
How much of a 16 M solution of acetic acid would be needed to make 250 mL of a 2.0 M solution?
What is 31 mL?
The molar mass of sodium sulfate.
What is 142.04 g/mol?
The number of grams in 7.76 x 1024 molecules of water.
What is 232.2 grams?
The volume of 12 g of He gas at STP.
What is 67.2 L?
What is S5O10?
The density of Cl2 gas at STP.
What is 3.2 g/L?