1. How many particles are in 4.5 mol of CO2? 2. How many grams are in .07 mol of Ba(CN)2?
3. How many moles are in 406 grams of GeF4?
4. What is the mass of 3.5 x 1023 atoms of Sc?
5. How many particles are in 2.40 grams of methane (CH4)?
(SHOW ALL YOUR WORK)

George is a dalmatian puppy. describe what happens to light that allows you to see george’s black and white coat.

What are the first two quantum numbers for the electrons located in subshell 4d? what are the first three quantum numbers for the electrons located in subshell 2s? how many electrons can be held in a sublevel l = 3? how many electrons can be held in the energy level n = 4? how many electrons in an atom can share the quantum numbers n = 4 and l = 3?

A1.5l container holds p.50 grams of an unknown gas at a pressure of 0.44 atm and a temperature of 50.c what is the molar mass of the unknown gas