PreparED Study Materials
Videos
Strontium: Deep Dive into Its Isotopes & Atomic Structure
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Discover the step-by-step process of Barium Sulfate formation from the reaction of Barium Chloride with Sodium Sulfate. Learn about molar mass calculations stoichiometry and yield predictions.
Determining Ionizable H Atoms in Malonic Acid via Neutralization
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Explore the process of determining ionizable hydrogen atoms in malonic acid using its molecular formula C3H4O4 and a neutralization reaction with Sodium hydroxide. Through methodical calculations involving the given mass of malonic acid and the required volume of Sodium hydroxide for neutralization we uncover that each molecule of malonic acid contains two ionizable H atoms.
Molarity Calculations for Various Solutions: CH?OH, CaCl?, C??H?
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Learn how to calculate the molarity of different solutions containing methanol, calcium chloride, and naphthalene. Essential for chemistry enthusiasts.
Classifying Substances: From Pure Elements to Mixtures Explained
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Classify substances into various categories: element compound homogeneous mixture and heterogeneous mixture. This video breaks down the fundamental distinctions between pure substances and mixtures illustrating with real-world examples like urine pure water a Snickers™ bar and soil. A concise guide for understanding the essence of material classification in chemistry.
Weighting Epsom Salts for Baths & CO? in Soda: Molecular Insight
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Learn the step-by-step process to convert moles into grams using the molecular weight of Epsom salts (MgSO?) and carbon dioxide (CO?). From bathtub to soda bottle understand the science behind the amounts
Chemical Formulas: CaI?, N?O?, SiO?, ZnCl? for Atom Ratios
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Unlock the world of chemical formulas and their atom ratios. Learn to write compounds like CaI?, N?O?, SiO?, and ZnCl? in this chemistry tutorial.














