Stoichiometry

Front

What is the first thing you must do to solve a stoichiometry problem?

Back

Write a Balanced Equation

Front

KNO₃ --> KNO₂ + O₂
What coefficients are needed to balance the reaction?

Back

2, 2, 1

Front

O₂ + CS₂ --> CO₂ + SO₂
What coefficient would go in front of the O₂?

Back

3

Front

WO₃ + H₂ --> W + H₂O
What coefficient goes in front of H₂?

Back

3

Front

WO₃ + H₂ --> W + H₂O
What coefficient goes in front of H₂? Options: 1, 2, 3, 4

Back

3

Front

Equation for Percent Yield

Back

(experimental/predicted) X 100

Front

True or False: You must convert grams to moles to do stoichiometry.

Back

True

Front

2H₂   +   O₂  →  2H₂O
How many moles of water can be produced if 8 moles H₂ are used?

Back

8 moles

Front

2H₂  +   O₂  →  2H₂O
How many moles of oxygen are consumed if 8 moles H₂ are used?

Back

4

Front

Limiting Reagent

Back

what you run out of first