How many liters are in 72.1 g HBr?

What reaction is taking place? 02 + c3h8 = h20 + co2

Identify one disadvantage to each of the following models of electron configuration: -dot structures -arrow and line diagrams -written electron configurations type in your answer below. (answer) -dot structures do not show the distribution of electrons in orbitals and take up a lot of space. -arrow and line diagrams take up a lot of space and make it difficult to count electrons. -written configurations make it easy to lose count of electrons and do not show the distribution of electrons in orbitals.

What is the empirical formula of a compound that is 50.7% antimony and 49.3% selenium ?