Which group of organisms make their own food? autotrophs
humans
heterotrophs
animals

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 22.5 liters of oxygen reacted with excess of hydrogen, how many liters of water vapor could be produced?

In a 28 g serving of cheese curls there are 247mg of sodium. how much sodium is in a 12.5 ounce bag