Se dispone de 300 g de una solución acuosa que contiene 60 g de NaCl. Calcular su concentración en: A- gramos de soluto por 100g de solución(%m/m)
B- gramos de soluto por 100g de solvente

Using complete sentences, explain how to predict the products and balance the reaction between sulfuric acid and potassium hydroxide.

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?

In one or two grammatically correct sentences, write a definition for the term molecule geometry