Mole Concepts

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

• a. 126.99

• b. 53

• c. 63.55g

• d. 6.02 x 10²³

What is the molar mass of NaCl?

• a. 58.45g/mol

• b. 28g/mol

• c. 12g/mol

• d. 6.02 x 10²³

What would be the mass of 1.5 mol H₂O ?

• a. 20 g

• b. 27g

• c. 32g

• d. 40g

Convert 4.5x10²⁴ atoms to moles

• a. 0.747 particles

• b. 0.722 mol

• c. 2.71x10⁴⁷ mol

• d. 2.71x10⁴⁷ particles

Convert 5g of carbon to moles

• a. 60 mol

• b. 17 mol

• c. 0.42 mol

• d. 7 mol

Convert 25 g of NaBr to molecules

• a. 102.96 molecules

• b. 0.24 molecules

• c. 1.45x10²³ molecules

• d. 2.34 x 10²⁰molecules.

Convert 5.11x10²³ atoms of lithium to moles?

• a. 1.18

• b. 0.351

• c. 1.34

• d. 0.849

Convert 0.454 moles of neon (Ne) to liters?

• a. 49.34 L

• b. 101.17 L

• c. 10.17 L

• d. 0.0202 L

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 2.50 moles of sodium to grams of sodium?

• a. A

• b. B

• c. C

• d. D