Iron (II) can be precipitated from a slightly basic aqueous solution by bubbling oxygen through the solution, which converts Fe2+ to insoluble Fe3+: 4Fe2+(aq) + 8OH–(aq) + O2(g) + 2H2O(l) → 4Fe(OH)3(s) How many grams of O2 are consumed to precipitate all of the iron in 75 mL of 0.090 M Fe2+?

Which of the following is most likely true about water in chemical solutions?

The table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 9 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of tthe table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 9 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.

The fact that the total amount of energy in a system remains constant is a(n)