Stoichiometry

A mole…..

• can be abbreviated as mol

• is equal to 6.02 × 10²³ particles

• is equal to the molar mass of a substance

• all of these are correct

The molar mass of an element is equal to its _______ given on the periodic table.

• atomic mass

• compound

• mole

• volume

What is the molar mass of sulfur?

• 35.45

• 28.090

• 30.97

• 32.06

The molar mass of a compound can be found by adding or combining the molar masses of its elements.

• TRUE

• FALSE

The _______ tells the percent by mass of each element in a compound.

• percent composition

• empirical formula

• molecular formula

• molar mass

What is the correct formula for percent composition?

• 
• 
• 

A formula with the lowest whole # ratio of elements in a compound is called

• Molecular Formula
• Chemical Formula
• Empirical Formula 
• Distance Formula

The true formula of the compound that is either the same as its empirical formula or a multiple of it is called the _________.

• ionic formula

• covalent formula

• empirical formula

• molecular formula

The percent composition of a compound can be used to figure out the empirical formula.

• TRUE

• FALSE

Calculations (math) in chemistry are called ____.

• stoichiometry

• dimensional analysis

• percent composition

• percent yield