Tag: moles

Determining Water of Crystallization in Copper(II) Sulfate

Determining Water of Crystallization in Copper(II) Sulfate

Classic IBDP, A-level and GCSE practical. Determine the number of moles of water of crystallisation in hydrated copper(II) sulfate by heating it to constant mass.

Concentration Calculations

Concentration Calculations

Discover the fascinating concept of concentration in chemistry in our latest blog post. We will explore the meaning of concentration, its calculation, and its crucial role in titrations. By understanding the relationship between concentration and titrations, you will be better equipped to tackle various chemical problems and enhance your knowledge of acid-base reactions, stoichiometry, and more. Join us as we delve into the world of solutions, solutes, and the power of titrations!

Chemistry Exam Practice – Moles Concentration

Chemistry Exam Practice – Moles Concentration

Understanding moles concentration calculations is essential for accurately determining the concentration of a solution. Follow the steps to calculate the amount of solute, measure the volume of the solution, and calculate the concentration using the molarity equation. Additionally, learn how to perform a titration practical to determine the concentration of an unknown solution using stoichiometry and volume measurements.

Calculating the empirical formula of a compound

Calculating the empirical formula of a compound

This chemistry experiment teaches you how to calculate the empirical formula of a compound by using molar ratios and mass calculations. By exploring the reaction between magnesium and oxygen, you can determine the empirical formula of the compound formed. The experiment involves heating magnesium ribbon with oxygen to produce magnesium oxide, recording the masses of the substances before and after the reaction, and calculating the molar ratios to determine the empirical formula. Learn about the procedure, requirements, and calculations involved in this experiment, and explore questions that will help you further understand the concept of empirical formulas.

Experiment to Determine the Empirical Formula of Magnesium Oxide

Experiment to Determine the Empirical Formula of Magnesium Oxide

Experiment to Determine the Empirical Formula of Magnesium Oxide. To calculate the empirical formula of magnesium oxide by heating magnesium ribbon in the presence of oxygen and measuring the mass change.

Simple Titration – Acid/Base

Simple Titration – Acid/Base

Titration is a common laboratory technique used to determine the concentration of a substance in a solution. In this case, we will be performing a titration with sodium hydroxide (NaOH) and hydrochloric acid (HCl) to determine the concentration of HCl in a given solution.