2. Atoms & Elements

What mass (in mg) does 2.63 moles of Nickel have?

In a classroom, which comparison would a teacher most likely use to describe a mole?

Which statement best explains the purpose of using a mole in the measurement of matter?

Calculate the mass of 1.00×10²⁴ (a septillion) molecules of water.

How many iron atoms are contained in 354 g of iron?

How many molecules of N₂O₄ are in 76.3 g N₂O₄? The molar mass of N₂O₄ is 92.02 g/mol.

How many moles are in 22 grams of argon?

What is the mass of 5 moles of Fe₂O₃?

How many atoms are in a sample of 1.83 moles of potassium (K) atoms?

How many moles of aluminum are in 54.0 grams of aluminum (Al)?

How many moles of silicon (Si) atoms are equivalent to 65.8 g Si?

What is the mass of 1.7 × 10²³ atoms of zinc (Zn)?