Chemistry Conversion Factors Worksheet
This worksheet helps grade 9 students practice using conversion factors in chemistry, including unit conversions and dimensional analysis.
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Standards
Chemistry Conversion Factors
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Read each question carefully and use dimensional analysis to solve the problems. Show all your work for full credit. Remember to include units in your final answers.
1. A conversion factor is a ratio of equivalent measurements used to convert a quantity from one to another.
2. Dimensional analysis is a problem-solving method that uses factors to move from one unit to another.
3. There are milliliters in 1 liter.
4. The number of significant figures in a conversion factor derived from a definition (e.g., 1 m = 100 cm) is considered .
1. How many seconds are in 3.5 minutes?
35 seconds
60 seconds
210 seconds
350 seconds
2. Which of the following is an example of a conversion factor?
100 g
1 kg / 1000 g
5 moles
25 mL
1. Convert 450 grams to kilograms.
2. A reaction requires 0.75 liters of a solution. How many milliliters is this?
3. The density of a substance is 2.5 g/cm³. What is this density in kg/m³?
Consider the beaker below containing a liquid. If the volume of the liquid in the beaker is 150 mL, what is this volume in liters?
1. When converting units, the numerical value always changes, but the actual quantity remains the same.
True
False
2. A conversion factor like (12 inches / 1 foot) is considered to have one significant figure.
True
False