If I added 80g of sodium nitrate to 100g of water at 75 degrees Celsius, how much more would I need to make it saturated?

How does the principle of electromagnetism explain the interaction between earth’s magnetic field and the solar wind?

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

Who determined the nature of chemical bonds?