How many grams are in 5.8 x 10^25 molecules of Pentanitrogen Dioxide N5O2?

In an investigation that uses the scientific method, which step immediately follows making a hypothesis? o summarizing the results o asking a question o making observations designing an experiment mark this and retum save and exit next submit

The formation of a solid, also known as a is an indication of a chemical change. precipitate particulate particle powder

How many lone pairs of electrons are on the central atom of no3- and what is the molecular shape? one, trigonal planar zero, trigonal pyramidal zero, trigonal planar one, tetrahedral one, trigonal pyramidal