"0.35 g of hydrogen chloride (hcl is dissolved in water to make 3.0 l of solution. what is the ph of the resulting hydrochloric acid 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

An atomic nucleus is composed ofa)protons.b)protons and neutrons.c)protons and electrons.d)protons, neutrons, and electrons.

How many atoms or molecules are there in a mole of a substance?