Gram to Gram Conversions

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

• 4

• 3

• 2

• 1

The correct order of unit conversions for gram to gram stoichiometry is

• mol -> mol -> g

• g -> mol -> mol -> g

• mol -> g -> mol -> g

• mol -> g -> g -> mol

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

1 mol H₂O

2 mol H₂O/1 mol O₂

10 g O₂

32 g O₂

1 mol O₂

18.02 g H₂O

Tags

NGSS.HS-PS1-7

What is the correct order of unit conversions for gram to gram stoichiometry?

• mol -> mol -> g

• g -> mol -> mol -> g

• mol -> g -> mol -> g

• mol -> g -> g -> mol

Tags

NGSS.HS-PS1-7

If you have 10 grams of substance A and need to convert it to grams of substance B using stoichiometry, what is the first step?

• Convert grams of A to moles of A

• Convert grams of A to grams of B

• Convert moles of A to moles of B

• Convert moles of B to grams of B

In a chemical reaction, how do you convert grams of reactant to grams of product?

• Use the molar mass of the reactant

• Use the molar mass of the product

• Use the balanced chemical equation

• Use the density of the reactant

Tags

NGSS.HS-PS1-7

What is the molar mass of water (H2O)?

• 18 g/mol

• 16 g/mol

• 20 g/mol

• 22 g/mol

How many grams are in one mole of carbon dioxide (CO2)?

• 44 g

• 32 g

• 28 g

• 40 g

Which of the following is a necessary step in converting grams of a substance to moles?

• Divide by the molar mass

• Multiply by the molar mass

• Add the molar mass

• Subtract the molar mass

What is the first step in converting grams of a reactant to grams of a product in a chemical reaction?

• Convert grams to moles

• Convert moles to grams

• Use Avogadro's number

• Use the ideal gas law