What is the percent by mass of water in na2soa 10h20? total mass of element in compounduse%elementx 100molar mass of compoundo 5.59%o 11.26%44.08%o 55.92%

1) these are barrel shaped microtubules in most animal cells, that organize the spindles during cell division

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?

Based on its chemical properties, identify the position of each chemical family on the periodic table.