An organic compound, z, will react with calcium metal to produce a salt with the empirical formula
cac4h6o4.
what could be the identity of z?
1 ethanoic acid
2 butanedioic acid
3 methylpropanedioic acid

0.09 moles of sodium sulfate in 12 ml of solution

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

What is a possible quantum number set for an electron in the 3s orbital of a magnesium atom