One-Step Molar Conversions

Front

What are the two units used in molar conversions when dividing by molar mass for iron (Fe)?

Back

mol and grams

Front

What is the first step to take when solving any molar conversion problem?

Back

Start with the given value and its units.

Front

In the problem 'Find the number of grams of 3.76 mol of CO2', what is the given information?

Back

3.76 mol CO2

Front

What conversion factor should be used when converting grams of H2O to moles of H2O?

Back

Use the molar mass of H2O (18 g/mol) as the conversion factor.

Front

What conversion factor should be used when converting moles of H2O to molecules of H2O?

Back

Use Avogadro's number (6.022 x 10^23 molecules/mol) as the conversion factor.

Front

What is the molar mass of water (H2O)?

Back

18 g/mol.

Front

What is Avogadro's number and why is it important in molar conversions?

Back

Avogadro's number is 6.022 x 10^23, and it is used to convert between moles and molecules.

Front

How do you convert moles to grams?

Back

Multiply the number of moles by the molar mass of the substance.

Front

How do you convert grams to moles?

Back

Divide the mass in grams by the molar mass of the substance.

Front

What is the significance of units in molar conversions?

Back

Units help ensure that calculations are performed correctly and that the final answer is in the desired unit.