What quantity in moles of silver atoms do you have if you have 5.99 × 10²¹ atoms of silver. (The mass of one mole of silver is 107.87 g.)

If you had 21.5 moles of silicon, how many atoms would you expect to have? And If you had 5.69 x 1025 atoms of Mg, how many moles would you have?

Determine the mass in grams of 8.14 × 10²¹ atoms of copper. (The mass of one mole of copper is 63.55 g.)

How many moles of potassium atoms do you have if you have 4.40 × 10²² atoms of potassium. (The mass of one mole of potassium is 39.10 g.)

3. What is the mass of 2.51 × 1024 atoms (particles) of lead metal?

How many moles of C are there in a sample that contains 15.9 grams of carbon? How many grams of carbon are there in a sample that contains 4.61 mol of C?  What is the mass of 4.63×1023 atoms of krypton ?  How many krypton atoms are there in 31.9 grams of krypton ?

Calculate the mass, in grams, of 402 atoms of lithium, Li (1 mol of Li has a mass of 6.94 g)?

How many moles of iron atoms do you have if you have 2.50 × 10²³ atoms of iron. (The mass of one mole of iron is 55.85 g.)

Determine the mass in grams of 7.75 x 1021 atoms of carbon. (The mass of one mole of carbon is 12.01 g.)

How many moles of calcium atoms do you have if you have 7.35 × 10²¹ atoms of calcium. (The mass of one mole of calcium is 40.08 g.)