Atoms to Moles

When you are solving for molecules, atoms, and particles you always use what number?

• 6.02 X 10²³

• Lucky 7

• Guess

• 24

How many moles are in 2.85 x 10¹⁸ atoms of iron, Fe?

• 41.4 molecules

• 4.14 x 10²³ molecules

• 4.14 x 10²⁵ molecules

• 1.83 x 10^-21 molecules

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

• 0.05 moles

• 1.81 X 10⁴⁶ moles

• 5.00 x 10²¹ moles

• 5 moles

Avogadro's number of atoms is equal to one_____ of atoms.

• kilogram

• gram

• kelvin

• mole

Tags

NGSS.HS-PS1-7

What is Avogadro's Number?

• 602

• 305

Avogadro's number of representative particles is equal to one_____

• kilogram

• gram

• kelvin

• mole

Avogadro's number of representative particles is equal to one_____

• kilogram

• gram

• kelvin

• mole

Tags

NGSS.HS-PS1-7

Avogadro's number of particles is equal to one_____.

• kilogram

• gram

• kelvin

• mole

How many molecules are in 27.5 grams of NaOH

• 41.4 molecules

• 4.14 x 10²³ molecules

• 4.14 x 10²⁵ molecules

• 1.83 x 10^-21 molecules

Tags

NGSS.HS-PS1-7

How many atoms are in 6.5 moles of zinc, Zn?

• 4.2 atoms

• 3.91 X 10^-24 atoms

• 3.91 x 10²⁴ atoms

• 5 x 10²⁴ atoms