2. Atoms & Elements

Which quantity is equivalent to 39 grams of LiF?

Which of the following is the correct molar mass (to two decimal places) of silver nitrate, AgNO_3?

What is the mass of one mole of carbon atoms?

What is the mass of 7.00 mol of hydrogen peroxide (H_2O_2)?

Benzene has the chemical formula C_6H_6. If you have 24.0 grams of benzene, how many grams of hydrogen are present in this sample?

What is the mass of 4.32 mol of GaI_3?

What is the molar mass of HCl (hydrochloric acid)?

Which of the following best describes the mass of 1 mol of atoms for an element?

What is the mass (in grams) of 7.98 moles of krypton (Kr)?

What is the molar mass of Al_2(SO_4)_3?

What is the molar mass of propane (C3H8)?

What is the molar mass of NaOH?

A 0.399 g sample of an unknown gas fills a 550. mL flask at standard temperature and pressure (STP). What is the molar mass of the gas?

Approximately how many grams of Fe2O3 are present in 0.82 mol Fe2O3?

Which of the following is the molar mass of carbon (C)?