Using Conversion Factors

Using Conversion Factors

aka ... Dimensional Analysis

Conversion factors

1. Find two things that are equal.

Write them down.

Create a conversion factor.

Place the thing you want to end up with on the top.

Let's practice writing conversion factors

• minutes and hours - you want hours

• days and hours - you want days

• donuts to dozens of donuts - you want donuts

• feet to meters - you want meters

Let's try this with moles

• Which two things are equal?

• Write them down.

• Write the conversion factor if you want to find the mass of nitrogen.

• Make sure the mass is on top.

Write the conversion factors for ...

• silicon - you want moles

• sodium - you want mass

• iron - you want mass

• calcium - you want moles

• tin - you want moles

• Write these in your chem notebook plus five more conversions factors that you create and send me a screenshot by the end of the period for 10 points.