If the percent by volume is 2.0% and the volume of the solution is 250mL what is the volume of solute in solution

Using the periodic table, complete the table to describe each atom. type in your answers. a ? b? c? d? e? f?

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

What is the molar mass of potassium nitrate, kno3