Which of the following did you identify correctly? butane is a compound. benzene is a compound. gasoline is a mixture. kerosene is a mixture. oxygen is an element.

Acompound has a molar mass of 92.02 grams/mole, and its percent composition is 30.4% nitrogen (n) and 69.6% oxygen (o). what is its molecular formula? a. n2o4 b. no2 c. n2o d. n4o2

Citric acid has a ph between 1 and 3.  it is considered to be aa. weak acidb. weak basec. strong based. strong acid

Why dose heating increase the speed at which a solution dissolved in water