How many moles of fe2o3 are in 241 g of the compound?

What is impossible to do with a hypothesis

Electrons are extremely important to what area of technology? a) anti-aging research b) household product development c) electronics d) drug discovery

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