Mole Concepts

How many atoms of iodine are in a mole of iodine?

• 126.99

• 53

• 63.55g

• 6.02 x 10²³

Convert 4.5x10²⁴ atoms to moles

• a. 0.747 particles

• b. 0.722 mol

• c. 2.71x10⁴⁷ mol

• d. 2.71x10⁴⁷ particles

Which of the following setups will correctly change 27.76g of Li to atoms of Li?

• a. A

• b. B

• c. C

• d. D

Tags

NGSS.HS-PS1-7

Which of the following setups will correctly change 4.00x10²³atoms of cobalt to moles of cobalt? How many moles of colbalt are there?

• a. setup B : 0.6644mol Co

• b. setup A: 2.41x10⁴⁷mol Co

• c. setup A : 0.664mol Co

• d. setup B: 2.41x10⁴⁷mol Co

How many atoms are in 2 moles of helium (He)?

The mass of 1 mole is known as

• A mole

• Molar mass

• Percent Composition

• Grams

• 0.5 moles

• 0.86 moles

• 1 mole

• 1.5 moles

Tags

DOK Level 2: Skill/Concept

If a dozen = 12, how much does a mole equal?

• 18 g

• 184 g

• 0.25 moles

• 0.5 moles

• 1 mole

• 2 moles

Tags

DOK Level 2: Skill/Concept

If you have 3 moles of sodium chloride (NaCl), how many formula units do you have?