Stoichiometry

Mole ratios are obtained from the

• balanced chemical equation
• periodic table
• molar mass

Tags

NGSS.HS-PS1-7

How many step will it take for me to go from moles given to moles unknown?

• 1

• 2

• 3

• 4

Tags

NGSS.HS-PS1-7

How many steps will it take me to go from grams to grams?

• 4

• 3

• 2

• 1

How many step will it take for me to go from grams to moles unknown

• 1

• 2

• 3

• 4

I use molar mass when the problem gives me grams?

• False

• True

I use 6.02 x 10²³ when the problem gives me molecules?

• True

• False

Tags

NGSS.HS-PS1-7

I use mole ratio (coefficients) from balanced chemical equation?

• True

• False

Tags

NGSS.HS-PS1-7

Balance the following reaction :
 
CaC₂(s)   +   H₂O(l)   -->   C₂H₂(g)   +   Ca(OH)₂(aq)

• 1,2,2,2
• 1,2,1,1
• 2,1,1,1
• 2,1,2,1

Tags

NGSS.HS-PS1-7

If you start with atoms of NaOH and are going to moles of NaOH, how many steps is it?

• 1
• 2
• 3
• 4

Tags

NGSS.HS-PS1-7

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

• Write a Balanced Equation
• Panic
• Write an Unbalanced Equation
• Ask for help

Tags

NGSS.HS-PS1-7