The book will serve as a flat surface on which you will later place additional weights. It has its own
mass, which you need to measure.
Zero the balance. Place the book on the balance.
Measure the mass to the nearest gram (1g)

Particles vibrate in a rigid structure and do not move relative to their neighbors.

A5.000 g sample of niso4 h2o decomposed to give 2.755 g of anhydrous niso4. what is the formula of the hydrate? what is the full chemical name for the hydrate? what is the molar mass of the hydrate? niso4•_h2o what is the mass % of water in the hydrate?

Describe the forces both attractive and repulsive that occur as two atoms move closer together.