Unit 9-Stoichiometry

Stoichiometry is used to calculate

• Actual yield

• Theoretical yield

• Percent yield

• Minimum yield

The reactant which is all used up is called

• Limiting reactant

• excess reactant

The reactant which has some left over is called

• excess reactant

• Limiting reactant

The coefficients in a balanced reaction tells you the ______ of reactants and products

• moles

• grams

Tags

NGSS.HS-PS1-7

Mole ratio used to go from one substanced to another.

• Moles unknown/moles of given

• Moles of given/mole of unknown

Tags

NGSS.HS-PS1-7

HCl

• hydrochloric acid

• chloric acid

• chlorous acid

• hydrogen chloride

H₂SO₄

• hydrogen sulfate

• Sulfuric acid

• hydrosulfuric acid

• Sulfurous acid

4A + 3 B ---> 2C + D

Going from B to C what molar ratio would be used.

• 2/3

• 4/2

• 3/2

• 2/4

4A + 3 B ---> 2C + D

If you have 3 moles of A and 3 moles of B. Which is the limiting reactant

• A

• B

• Both used completely

Tags

NGSS.HS-PS1-7

4A + 3 B ---> 2C + D

If you have 3 moles of B, how many moles of A are needed to react completely with them

• 1 mole

• 2 moles

• 4 moles