The rate of a reaction is measured by how fast a reactant is used up to how fast a product is formed.
a. true
b. false

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?

Measurements that have similar values are: a. usually accurate b. sometimes accurate c. always accurate d. never accurate

Nan element’s square on the periodic table, the number with the greatest numerical value represents the