How many grams of HNO, are in 1.655 x 1022 molecules of HNO,? Show the conversions required to solve this problem and calculate the grams of HNO3.
63.018 g HNO,
1.655 x 1022 molecules HNO, X
1 mol HNO,
6.022 x 1029 molecules HNO,
= ? g HNO
1 mol HNO,
Answer Bank
mass HNO3
g HNO,

4. propanol and isopropanol are isomers. this means that they have a) the same molecular formula but different chemical properties. b) different molecular formulas but the same chemical properties. c) the same molecular formula and the same chemical properties. d) the same molecular formula but represent different states of the compound