The partial analysis of a fuel gas sample by the modified orsat method showed the presence of 0.2% h2s, 2.2% co2, and 5.4% illuminants. the so3 evolved in the illuminant determination was 0.4%.the final reading of the measuring burette after the absorption of o2 was 9.1 cubic centimeters .what was the percentage of oxygen in the sample? a) 0.7% ,b) 0.9% ,c) 1.1% ,d) 1.3%

Write the balanced equation for a reaction between aqueous nitric acid (hno3) and solid lithium metal (this is a single replacement reaction)

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.

In pqr m< p=60 m< q= 30 and m