Gram to Mole Stoichiometry

If we have 10 g of O₂, how many grams of H₂O can we make?

2H₂ + O₂ --> 2H₂O

Place the parts of the setup of a gram to gram conversion in the correct position.

a

b

c

d

e

f

2 mol H₂O/1 mol O₂

10 g O₂

1 mol O₂

1 mol H₂O

18.02 g H₂O

32 g O₂

Tags

NGSS.HS-PS1-7

How many steps will it take me to convert units from grams of compound A to grams of compound B?

• 4

• 3

• 2

• 1

I use molar mass to convert to moles when the problem gives me grams?

• False

• True

How do I convert from grams to moles?

• multiply by molar mass

• divide by molar mass

• multiply by Avogadro's number

• divided by Avogadro's number

• 18 g

• 36 g

• 54 g

• 72 g

Tags

DOK Level 2: Skill/Concept

• 32 g

• 48 g

• 64 g

• 96 g

Tags

DOK Level 3: Strategic Thinking

• 32 g

• 48 g

• 64 g

• 96 g

Tags

DOK Level 3: Strategic Thinking

How many grams of potassium chloride can be produced from 356 grams potassium bromide?

• 749 g

• 225 g

• 479 g

• 814 g

How much aluminum would be needed to react with 45 grams of O₂?

• 28.5 g

• 71.1 g

• 60 g

• 50.6 g

Tags

NGSS.HS-PS1-7

How many grams of aluminum sulfate would be formed if 250 g H₂SO₄ completely reacted with aluminum?

• 0.85 g

• 290 g

• 450 g

• 870 g