Vitamin K has a molar mass of 173 g/mole and is 76.3% carbon by mass. How many carbon atoms are in one molecule of vitamin K?

A specie having 18 electron 20 neutrons charge -2. what will be its atomic mass?

What is the atomic mass of an atom that has 10 protons, 14 nuetrons, and 11 electrons?

Rotating Mass M, a solid cylinder (mass = 1.39 kg, r = 0.100 m) pivots on a thin, fixed, frictionless beari? Rotating Mass M, a solid cylinder (mass = 1.39 kg, r = 0.100 m) pivots on a thin, fixed, frictionless bearing. A string wrapped around the cylinder pulls downward with a force F which...

all of the below use "Sulfuric acid-H2 SO4" for atomic mass use this following information hydrogen = 1 sulfur = 32 nitrogen = 16 1. mass of 100 molecules of sulfuric acid is _________ amu 2. mass of 20 moles of sulfuric acid is _________ gram 3. mass of 0.1 moles of sulfuric acid is...