Assignment:
Q1. What is the molecular formula of a compound that contain 42.87% carbon, 3,598% hydrogen, 25.00% nitrogen and 28.55 oxygen and has a molar mass between 165 and 170?
Q2. How many grams of lithium contain the same number of atoms as 2.50 Kg of zirconium?
Q3. If the molar mass of a binary compound has a molar mass between 27 and 28 and contains 78.14% boron and 21.86% hydrogen, what is the molecular formula?
Provide complete and step by step solution for the question and show calculations and use formulas.