PLEASE THIS IS URGENT CAN SOMEONE HELP ME ON THIS QUESTION? SOMEONE THATS DECENT AT SCIENCE.

IVE BEEN STUCK ON THIS FOR A WHILE PLEASE HELP!

What is the ph of a solution with a concentration of 5.2 × 10–8 m h3o+?

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

Aconcentrated solution of ammonia is 14.8m and has a density of 0.899g/l. what is the concentration of ammonia in this solution in weight percent (%w/w)?