A sample of sulfur dioxide gas has a volume of 0.250 L at a temperature of 85.0 degrees C. At what Celsius temperature will it have a volume of
0.500 L (assuming no change in pressure)? *

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?