Lesson Worksheet: Units and Equations Chemistry

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In this worksheet, we will practice defining SI and derived units and writing and manipulating algebraic equations.

Q1:

Which metric prefix denotes the value of the following quantities?

A thousand

A hundreth

A thousandth

Q2:

A small sample of osmium was found to have a mass of 22.6 g. What is that value in kilograms?

Q3:

The density of a substance can be calculated using the following equation:

What is the formula for calculating the volume of a substance when given the mass and density?

Q4:

The rate of a reaction can be calculated using the following equation:

If the mass is in grams (g) and the time is in seconds (s), what is the unit of the rate of reaction?

Q5:

If 1 dm is equal to 10 cm, which of the following is 1 dm³ equal to?

Q6:

For an aqueous solution at , the given equation can be applied.

What is the correct form of the equation when rearranged to have pH as the subject?

The pH of a solution is found to be 11. What is the value of the pOH?

Q7:

Which of the following prefixes are ordered descendingly?

Q8:

All of the following are incorrect relationships except .

Q9:

Fill in the blank: A liquid has a volume of 200 mL and a mass of 4,000 g. The density of this liquid is kg/L.

Q10:

Which of the following is equal to 1 mm?

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