An aqueous solution of aluminum sulfate, , is made by dissolving 10.9 grams of aluminum sulfate in sufficient water in a 250. mL volumetric flask, and then adding enough water to fill the flask to the mark. What is the weight/volume percentage of aluminum sulfate in the solution?

Compare and contrast the bohr model and the electron cloud models of the atom.

If you chip a tooth, most likely you will go to the dentist to have the missing material filled in. currently the material used to fill in teeth is a polymer that is flexible when put in, yet is hardened to the strength of a tooth after irradiation with blue light at a wavelength of 461 nm. what is the energy in joules for a photon of light at this wavelength?

Many pharmaceutical drugs are organic compounds that were originally synthesized in the laboratory. which two scientific disciplines are bridged by pharmaceutical drugs? chemistry and forensics chemistry and medicine biology and forensics biology and criminology