Molar Masses - Quiz Quiz

Question 1

Which best compares 1 mol of sodium chloride to 1 mol of aluminum chloride?

Revolt · Accepted Answer

C: Both are made up of  6 point 0 2 times 10 to the 23th power  formula units.

Question 2

What is Avogadro’s number?

Revolt · Accepted Answer

B: the number of atoms, molecules, ions, formula units, or other particles in a mole of a substance

Question 3

Which statement best describes a mole?

Revolt · Accepted Answer

D: It contains  6 point 0 2 times 10 to the 23th power  particles of a given substance.

Question 4

In a classroom, which comparison would a teacher most likely use for describing a mole?

Revolt · Accepted Answer

D: a dozen eggs and a dozen jellybeans

Question 5

The mole concept will most likely be used in

Revolt · Accepted Answer

D: determining how many ozone molecules are lost in the atmosphere.

Question 6

How does the number of molecules in 1 mol of oxygen compare with the number of molecules in 1 mol of nitrogen?

Revolt · Accepted Answer

C: Each sample has the same number of molecules.

Question 7

What is the relationship between a mole and Avogadro’s number?

Revolt · Accepted Answer

A: A mole contains Avogadro’s number of particles of a substance.

Question 8

Which value gives the number of particles in 1 mol of a substance?

Revolt · Accepted Answer

D: 6 point 0 2 times 10 to the 23th power

Question 9

Consider the equation. Na raised to the plus plus Cl raised to the negative right arrow NaCl power power Which statement best describes the relationship between the substances in the equation?

Revolt · Accepted Answer

A: The number of sodium ions is equal to the number of formula units of salt.

Question 10

Magnesium and iron are metallic elements. How does a mole of magnesium compare with a mole of iron?

Revolt · Accepted Answer

D: They both have the same number of atoms.

Molar Masses - Quiz Quiz Answers

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