An organic solvent is found to contain 90.51% carbon and 9.49% hydrogen. The molecular mass is 106.2 g/mole. Determine the cmpirical and molecular formula's.

It is important to wear proper protective equipment in lab even when not actively performing experiments because accidents can affect any researcher, even one not working on an experiment. select the best answer from the choices provided

Diffraction is when light is bent around obstructions. which of the these observation about clouds would indicate diffraction? a) after rain storms, you can sometimes see rainbows. b) clouds are white or gray and cannot be seen through. c) on a cloudy day, the temperature tends to be cooler than a sunny day. d) the edges of dark clouds appear lighter. this

To calculate percent by mass, use the equation below: calculate the percent by mass of each element. %n = % %h = % %o = %