Carnegie Mellon University
Chem Collective: Arsenic in Drinking Water
Set in the context of ground water contamination in Bangladesh, this stoichiometry and analytical chemistry activity examines the issues around identifying wells contaminated with arsenic.
Chemistry Collective
Chem Collective: Determining the Concentration of an Unknown Solution
Using the Virtual Laboratory design, students perform an experiment to determine the concentration of the unknown HCl solution to four significant figures.
Chemistry Collective
Chem Collective: Determining Reagent Concentrations
Using the Virtual Laboratory, design an experiment to quickly determine which of the two reagents, HCl or NaOH, is 10 times more concentrated than the other.
Chemistry Collective
Chem Collective: Determine the Amount of Vitamin C in a Peach
Perform a titration experiment to determine the concentration of absorbic acid in one medium peach.
Chemistry Collective
Chem Collective: Determine the Concentration of Acetic Acid in Vinegar
A virtual lab where students determine the concentration of acetic acid in vinegar using a 0.110 M NaOH standard solution and an acid-base indicator, phenolphthalein.
Chemistry Collective
Chem Collective: Unknown Silver Chloride
Determine the concentration of silver ion in a Silver Nitrate solution using gravimetric analysis.