Which are subatomic particles

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?

Table sugar completely dissolved in water is an example of a?

The number of moles of a given mass of a substance can be found without knowing its molecular formula or molar mass. true false