Chemistry Chapter 3 Quiz

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Questions and Answers

What is Avogadro's Number?

6.022 x $10^{23}$ particles per mole (correct)
1 mole of any substance
The mass of one mole in grams
The ratio of moles in a chemical reaction

The molar mass of a compound is the same as its gram formula mass.

True (A)

What is the term for the ratio of moles of substances in a chemical equation?

Mole Ratio

The formula mass of a compound is calculated based on the ______ of its constituent elements.

<p>molar mass</p> Signup and view all the answers

Match the following terms with their definitions:

<p>Molecular Formula = Shows the actual number of atoms in a molecule Empirical Formula = Simplest whole-number ratio of elements in a compound Hydrate = A compound that contains water molecules Anhydrous Salt = A salt that does not contain water</p> Signup and view all the answers