What is the percent by mass of C in oc- tane (C8H18)? The molecular weight of
carbon is 12.0107 g/mol and of hydrogen
1.00794 g/mol.

Compare and contrast solutions and suspensions

A1.5l container holds p.50 grams of an unknown gas at a pressure of 0.44 atm and a temperature of 50.c what is the molar mass of the unknown gas

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