Mole Quiz Review

If you had 3 moles of carbon tetrachloride, CCl₄, you would have 7 moles of chlorine atoms.

• True

• False,

  you would have 12 moles of chlorine atoms

• False,

  you would have 6.02 x 10²³ chlorine atoms

Tags

NGSS.HS-PS1-7

The atomic mass or formula mass tells you how many moles are in 1 gram of substance.

• True

• False,

  how many grams are in 1 milliliter

• False,

  how many grams are in 1 mole

If you have 0.5 moles, you have 3.01 x 10²³ atoms or molecules.

• True

• False,

  you have 6.02 x 10²³ atoms or molecules

• False,

  you have 12 atoms or molecules

1.00 x 10²³ molecules of CO₂ is equal to 7.33 grams of CO_2.

(formula mass of CO₂ = 44.0 g/mol)

• True

• False,

  1.37 x 10⁴⁵ grams of CO₂

• False,

  3.78 x 10^-2 grams of CO₂

Tags

NGSS.HS-PS1-7

If you had 1 mole of sodium phosphate, Na₃PO₄, you would have 7 moles of total atoms.

• True

• False,

  1 mole of total atoms

• False,

  8 moles of total atoms

Tags

NGSS.HS-PS1-7

6.02 x 10²³ atoms of krypton (Kr) is equal to 83.8 g of krypton.

• True

• False,

  39.1 g of krypton

• False,

  167.6 g of krypton

Tags

NGSS.HS-PS1-7

12.03 x 10²³ grams of cobalt (Co) is equal to 2 moles of cobalt.

• True

• False,

  12.03 x 10²³ liters of cobalt

• False,

  12.03 x 10²³ atoms of cobalt

There are 6.02 x 10²³ chlorine atoms in 1 mole of chlorine gas, Cl₂.

• True

• False,

  12.04 x 10²³ chlorine atoms

• False,

  3.01 x 10²³ chlorine atoms

If you have 6.02 x 10²³ atoms of gold, Au, mixed with 3.01 x 10²³ atoms of aluminum, Al, you would have a total of 9.03 x 10²³ atoms.

• True

• False,

  9.03 x 10⁴⁶ atoms

• False,

  3.01 x 10²³ atoms

In 3 moles of hydrogen gas, H₂, there are 18.06 x 10²³ hydrogen molecules.

• True

• False,

  36.12 x 10²³ oxygen molecules

• False,

  9.03 x 10²³ oxygen molecules