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Why is this important for my course?

The preparation and dispensing of medications rely on precise chemical measurements. Pharmacists must calculate dosages, concentrations, and compound mixtures accurately to ensure patient safety and therapeutic effectiveness. The mole concept underpins these calculations, enabling pharmacists to convert between mass, volume, and number of molecules or ions in a drug. Misunderstandings or errors in mole-based calculations can lead to underdosing or overdosing, with potentially serious health consequences.

Click on the image above to download and read some notes on this topic.

Or you may prefer to watch this 7 minute video from Launchpad Learning

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Equations and calculations in chemistry - Notes

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Equations and calculations in chemistry - Notes

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Why is this important for my course?

A strong grasp of equations and calculations in chemistry is vital for pharmacy students. Accurate balancing of chemical equations ensures correct formulation and compounding of medicines. Understanding ionic equations is necessary for appreciating drug solubility, reactions in the body, and compatibility of medications. Calculations involving masses and gas volumes underpin principles such as dosage calculations, preparation of solutions, and administration of gaseous drugs.

Click on the image above to download and read some notes on this topic.

Or you may prefer to watch this 9 minute video from TheChemistrySolution

and this 6 minute video from BBA Science

and this 9 minute video from Allery Chemistry.

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05 Equations and Calculations in Chemistry

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Why is this important for my course?

Understanding these fundamental concepts is crucial for pharmacy students because accurate measurement, mixing, and analysis of chemical solutions form the backbone of pharmaceutical preparation and quality control. Mastery of terms like molarity, titration, and volume ensures that dosages are calculated precisely and that medications are both safe and effective.

Click on the image above to download and read some notes on this topic.

Or you may prefer to watch this 8 minute video from Allery Chemistry.

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Formulas, yield and atom economy - Notes

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Formulas, yield and atom economy - Notes

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Why is this important for my course?

Pharmacy students need to understand formulas, yield, and atom economy because these help them make medicines accurately, safely, and in an eco-friendly way. Knowing formulas helps identify ingredients, calculating yield ensures drugs are made efficiently, and atom economy supports greener production methods.

Click on the image above to download and read some notes on this topic.

Or you may prefer to watch this 10 minute video from The Chemistry Tutor.

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A 25.0 mL sample of sulphuric acid (H₂SO₄) of unknown concentration is titrated with 0.200 mol/L sodium hydroxide (NaOH). The acid is neutralised when 30.0 mL of NaOH is added.

Work through each titration step and enter the correct value.

You will need to input your name to attempt this quiz. This can only be accessed by members of the Pharmacy team.

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Type the coefficient that belongs in each bracket to balance every chemical equation. Type 1 when a substance needs a coefficient of 1.

Check that the number of each type of atom is the same on both sides of the equation.

You will need to input your name to attempt this quiz. This can only be accessed by members of the Pharmacy team.

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Theoretical mass of magnesium oxide - quiz

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Theoretical mass of magnesium oxide - quiz

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Select the correct step to calculate the theoretical mass of magnesium oxide produced from 6 g of magnesium. Assume oxygen is in excess.

You will need to input your name to attempt this quiz. This can only be accessed by members of the Pharmacy team.

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Theoretical mass of aluminium oxide - quiz

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Theoretical mass of aluminium oxide - quiz

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Select the correct step to calculate the theoretical mass of aluminum oxide produced from 10.8 g of aluminum. Assume oxygen is in excess.

You will need to input your name to attempt this quiz. This can only be accessed by members of the Pharmacy team.

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Select the correct step to calculate the theoretical volume of hydrogen produced from 4.8 g of magnesium. Assume hydrochloric acid is in excess. The reaction takes place at 27oC and the pressure is 100000 Pa.

You will need to input your name to attempt this quiz. This can only be accessed by members of the Pharmacy team.

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Choose the definition that best matches each chemistry term.

You will need to input your name to attempt this quiz. This can only be accessed by members of the Pharmacy team.

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Solve each mole math problem and check the worked answer.

You will need to input your name to attempt this quiz. This can only be accessed by members of the Pharmacy team.

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Convert units first, then solve each mole math problem.

You will need to input your name to attempt this quiz. This can only be accessed by members of the Pharmacy team.

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Select the definition, symbol, unit, or equation that best matches each chemistry term.

You will need to input your name to attempt this quiz. This can only be accessed by members of the Pharmacy team.

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Choose the definition that best matches each titration term.

You will need to input your name to attempt this quiz. This can only be accessed by members of the Pharmacy team.