*will pick brainliest*
how do i work this out?
avogadro's number
a gas cylinder contains exactly 15 moles of oxygen gas (o2). how many molecules of oxygen are in the cylinder?

Read these sentences from the text. near the equator, the tropics receive the most rain on a consistent basis. as a result, the fresh water falling into the ocean decrease the salinity of the surface water in that region. [. .] . . as the salt content of sea water increases, so does its density. what can you infer about how rain affects the density of surface water near the equator?

The element that has the greatest electronegativity is

What is the molar mass of ca(cio4)2