How many atoms can be found in 3.91 moles of xeno?

Zoe is investigating the composition of substance a, an unknown substance. using chemical processes, she analyzes substance a and determines it is composed of sodium, oxygen, and hydrogen atoms in a ratio of 1 : 1 : 1. what is substance a? a. a compound b. an element c. a heterogeneous mixture d. a homogeneous mixture

Find the mass in grams of 1.37x1020 particles of h3po4

Provide a stepwise curved arrow mechanism that fully explains the outcome of the reaction shown below. oh нао* heat он