Entities of Given Grams of Given Entities of Unknown Grams of ...

CONCEPT: STOICHIOMETRIC REACTIONS. 2 H2 (g) + 1 O2 (g). 2 H2O (g). In the above equation the numbers that are in bold are called ...
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CONCEPT: STOICHIOMETRIC REACTIONS

2 H2 (g) + 1 O2 (g)

2 H2O (g)

In the above equation the numbers that are in bold are called _______________________. • They tell us the number of ______________ of each compound that reacts. • This numerical relationship between compounds in a balanced equation is called __________________________. STOICHIOMETRIC CHART Before we get into solving stoichiometric reactions lets work out a plan of attack. Entities means ______________________ , ______________________ or ______________________.

Entities of Given

Entities of Unknown Moles of Given

Moles of Unknown

Grams of Given

Grams of Unknown

Use this chart when given a chemical equation with the ____________ quantity of a compound or element and asked to find the ____________ quantity of another compound or element. EXAMPLE: How many grams of H2O are produced when 12.3 g H2 reacts?

 

2 H2 (g) + 1 O2 (g)

2 H2O (g)