Round each of these numbers to three significant figures:
a) 30,776.552 =
b) 0.024 348 =

How many liters of water vapor can be produced if 108 grams of methane gas (ch4) are combusted at 312 k and 0.98 atm? show all work. pls ! will mark as brainliest

Write the empirical chemical formula of calcium with a mass percent of 38.8, phosphorus with a mass percent of 20.0, and oxygen with a mass percent of 41.3.

How many molecules are found in 1.32 mol of nacl?