Mole to Mass Stoichiometry | Science Explained Quiz

What is the first step in solving stoichiometry problems according to the text?

• Convert grams to moles

• Check if the chemical equation is balanced

• Calculate the molar mass of the compounds

• Link to the video tutorial

What do you need to multiply the hydrogen atomic mass by when calculating the molar mass of H2O?

• 16

• 3

• 1

• 2

What is the molar mass of CO2 as mentioned in the text?

• 1.01 g

• 16 g

• 18.02 g

• 44.1 g

How many steps are involved in the conversion process from moles of a starting compound to grams of an ending compound?

• Four

• One

• Three

• Two

What is the correct mole ratio of carbon to CO2 as used in the example?

• 1:1

• 3:1

• 1:2

• 2:1

What is the molar mass of water (H2O) as used in the calculations?

• 18.02 g

• 1.01 g

• 16 g

• 44.1 g

According to the text, what should you always ensure about your chemical equation before proceeding with stoichiometry calculations?

• It is written in pencil

• It is balanced

• It is unbalanced

• It includes water

What is the molar mass of iron (Fe) as mentioned in the text?

• 16 g

• 55.8 g

• 44.1 g

• 18.02 g

In the stoichiometry problem involving carbon and iron 3 oxide, how many moles of carbon are used?

• 3 moles

• 4 moles

• 3.2 moles

• 4.3 moles

What is the first thing you should do if the chemical equation is not balanced?

• Ignore it

• Balance it

• Change the compounds

• Start the calculations