A piece of sodium contains 3.011×10^23 atoms of Na. How many moles of Na is this?

(a)  

A sample contains 9.033×10^24 molecules of O₂. How many moles of O₂ are present?

(a)  

A crystal has 6.022×10^22 formula units of NaCl. How many moles of NaCl is this?

(a)  

A sample contains 2.711×10^23 atoms of lithium. How many moles of Li is that?

(a)  

A tank holds 7.226×10^23 molecules of CO₂. How many moles of CO₂ do you have?

(a)  

How many molecules are in 2.00 moles of CO₂?

(a)  

How many atoms are in 0.50 moles of Mg?

(a)  

How many molecules are in 1.25 moles of H₂?

(a)  

How many formula units are in 3.00 moles of KCl?

(a)  

How many molecules are in 0.75 moles of O₂?

(a)  

How many molecules are in 6.00 moles of H₂O?

(a)  

You have 0.600 mol of O2. How many molecules of O2 is that?

(a)  

A sample contains 1.505×10^24 molecules of CO2. How many moles of CO2 is this?

(a)  

A piece of sodium has 3.011×10^23 atoms of Na. How many moles of Na is that?

(a)  

You measure 1.25 mol of H2O. How many molecules of water is that?

(a)  

A tank holds 7.226×10^23 molecules of NH3. How many moles of NH3 is that?

(a)  

A cylinder contains 4.00 mol of Ne. How many atoms of Ne is that?

(a)