Why is it important to get enough calcium in your diet

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?

8) warming your hands by a fire is an example if which heat transfer? a. conduction b. convection c. radiation d. none of these

Salt in oceans comes from and of rocks