Conversion of grams to moles

A mass of 6 g of Carbon contains

• 1 mole of C

• 2 moles of C

• 0.5 moles of C

• 72 moles of C

How many moles are in 22 g of argon? 

• 880 moles

• 0.55 moles

• 1.81 moles

• 5 moles

How many moles are present in a 32.5 sample of aluminum chloride?

• 720 moles

• 1.2 moles

• 0.2 moles

• 0.5 moles

36.0 g of Be contains how many moles?

• 0.25 mol

• 4.0 mol

• 45 mol

• 320 mol

How many moles are in 15 grams of lithium?

• 0.5 moles

• 104.1 moles

• 2.2 moles

• 50 moles

How many moles are in 9.8 grams of calcium? 

• 0.2 moles

• 4.1 moles

• 1 mole

• 392 moles

How many moles are in 2.3 grams of phosphorus?

• 0.07 moles

• 71.3 moles

• 13.5 moles

• 20 moles

How many moles are 98.3 grams of aluminum hydroxide, Al(OH)₃?

• 1.26 moles

• 0.8 moles

• 7,673.4 moles

• 150 moles

How many moles are in 68 grams of copper (II) hydroxide, Cu(OH)₂?

• 1.4 moles

• 0.7 moles

• 6,630 moles

• 50 moles

What is the mass of one mole of (NH₄)₂CO₃?

• 144g

• 138g

• 96g

• 74g