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Mole and Avogadro's Number Quiz

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10 Questions

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

They are equal to each other

Which term defines a formula showing the simplest ratio of elements in a compound?

Empirical formula

What is the formula mass?

The sum of the average atomic masses of each atom in the chemical formula

Which is correct about the molecular formula C6H6?

Shows a 1 to 1 ratio of carbon to hydrogen atoms

What is the unit used to express molar mass?


Which term refers to the mass of one mole of a substance?

Molar mass

What is the difference between formula mass and molecular mass?

Formula mass is the sum of atomic masses in a compound's formula, while molecular mass is the sum of atomic masses in a molecule.

What technique is used to determine the elements present in a compound and their percent by mass?

Percentage Composition

What is the relationship between empirical formula and molecular formula?

Molecular formula represents the simplest ratio among elements in a compound.

Which term describes the mass in grams equal to the sum of all the atomic masses of the component atoms of a substance?

Molar mass

Test your knowledge on moles and Avogadro's number. Understand the concept of moles as the amount of substance containing the same number of entities as there are atoms in 12 grams of Carbon. Explore how to calculate molar mass and empirical formulas.

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