Avogadro Number

number of representative particles in a mole, 6.02 X 10^23

• percent composition

• conversion factor

• Avogadro's number

• molar mass

Which of these are Avogadro's Number?

• 6.02 x 10

• 6.23 x 10²³

• 6.023 x 10²³

• 6.20 x 10²⁰

Tags

NGSS.HS-PS1-7

Avogadro's Number is the conversion factor for...

• Mass to Moles

• Moles to Particles

• Volume to Particles

• Moles to Volume

How many atoms are in one Mole of Magnesium?

• 12 atoms

• 24.3 atoms

• 6.023 x 10²³ atoms

• 24.305 atoms

If you convert 6.02 x 10^3 atoms of C to moles, what operation will you do?

• Divide by Avogadro's Number

• Divide by the Molar Mass

• Multiply by Avogadro's Number

• Multiply by the Molar Mass

If you convert 0.75 mol to atoms, what operation will you do?

• Divide by Avogadro's Number

• Divide by the Molar Mass

• Multiply by Avogadro's Number

• Multiply by the Molar Mass

Convert 18.06 x 10²³ atoms of Carbon to moles?

• 1.08 x 10⁴⁸ mol

• 1.5 x 10²³ mol

• 3 mol

• 2.16 x 10²⁵ mol

Tags

NGSS.HS-PS1-7

Which scientist invented the Mole?

• JJ Thomson

• Ernest Rutherford

• John Dalton

• Amadeus Avogadro

Which is the best description of Avogadro’s number?

• Avogadro’s number varies depending on the substance

• Avogadro’s number can be calculated using the percent mass formula.

• Avogadro’s number is equivalent to the number of moles in a substance.

  
  

• Avogadro’s number does not vary depending on the substance. It is a constant.

  
  

What is Avogadro's Number?