30 POINTS FOR THIS QUESTION. a 32.44 g sample of iron chloride is found to contain 14.29 g of iron. what is the mass percent of the iron in the sample?

I Will report if the answer is incorrect.

If you add 5.00 ml of 0.100 m sodium hydroxide to 50.0 ml of acetate buffer that is 0.100 m in both acetic acid and sodium acetate, what is the ph of the resulting solution? acetic acid: ka = 1.8. x 10-5

Which electron configuration represents the electrons in an atom of sodium in the ground state at stp

Need ! asap will mark 10 pts using the room temperature line (orange line) and your periodic table, make lists that identify the state of matter (gas, liquid, or solid) in which each element you plotted exists at room temperature. explain your answers