2. Atoms & Elements

What is the molar mass of fluorine (F) in grams per mole?

What is the mass, in grams, of 1.70 mol of carbon (atomic mass = 12.01 g/mol)?

What is the molar mass of Mg3(PO4)2?

Given that the molar mass of sulfuric acid (H_2SO_4) is 98 g/mol, what is the mass of oxygen present in 250 g of H_2SO_4?

How many grams are present in 238 moles of arsenic (As)? (Atomic mass of As = 74.92 g/mol)

How many atoms are present in one formula unit of magnesium hydroxide, Mg(OH)_2?

How many atoms of oxygen are present in 4875 milligrams of Ca3(PO4)2?

What is the mass of 1.20 × 10^{24} atoms of potassium (K)? (Atomic mass of K = 39.1 g/mol)

What is the mass in grams of 2.57 × 10^{23} molecules of I_2?

What is the molar mass of NaCl?

What is the molar mass (formula weight) of magnesium nitrate, Mg(NO3)2?

What is the molar mass of ammonia (NH_3)?

Approximately how much does one mole of carbon atoms (each having an atomic weight of 12) weigh?

How many grams are present in a 2.7 mol sample of CO_2?

What is the mass of 1.000 mole of carbon atoms?