What is the pH of a acid that has a (H3O+) Molar concentration of 1x 10-4?

How many moles are equivalent to 55.5g of nano3

In which environment would primary succession occur? a forest with a few remaining trees after a recent wildfire an area of exposed rock after a glacier melts away beach that is exposed to the air at low tide an abandoned baseball field in a small town

What is the lowest number energy level where a d sublevel is found