Standard unit for volume is "l or l" true 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?

If a particle has z = 25 and 23 electrons, what is its charge?

What are the coefficients that will balance the skeleton equation below? n2 + h2 → nh3