Atoms to Moles

How many moles of carbon atoms are there in 5g of carbon?

• 60 mol

• 17 mol

• 0.42 mol

• 7 mol

How many moles is 19.5 grams of Sodium?

• 19.5 moles

• 0.85 moles

• 22.99 moles

• 8.5 moles

Tags

NGSS.HS-PS1-7

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

• setup B : 0.664 mol Co

• setup A: 2.41x10⁴⁷mol Co

• setup A : 0.664 mol Co

• setup B: 2.41x10⁴⁷mol Co

How many moles are in 3.01 x 10²² atoms of magnesium?

• 0.0500 moles

• 1.81 x 10⁴⁶ moles

• 5.00 x 10²¹ moles

• 5.00 moles

How many moles is 4 grams of silicon?

• 4 moles

• 0.14 moles

• 28.085 moles

• 1.4 moles

Tags

NGSS.MS-PS1-1

Avogadro's Constant, L, always refers to....

• The number of particles in one mole

• The number of moles in one gram

• The number of atoms in one mole

• The atomic mass of each element

• The number of molecules in one mole

Tags

NGSS.HS-PS1-7

What is the molar mass of Hydrogen, H₂?

• 1.01 moles

• 2.02 grams

• 2.02 g/mol

• 1.01 g/mol

Tags

NGSS.HS-PS1-1

How many moles of hydrogen atoms are there in 10g of hydrogen?

• 5 mol

• 10 mol

• 20 mol

• 1 mol

Tags

NGSS.HS-PS1-7

What is the number of atoms in 2 moles of oxygen?

Tags

NGSS.HS-PS1-7

If you have 0.5 moles of sulfur, how many sulfur atoms do you have?