Two
moin tunetons of carbohydraus​

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?

Element before carbon on the periodic table

What is the energy in joules of a mole of photons associated with visible light of wavelength 486 nm?