Please count compound list each element and the amount of each and then figure out the total of the atoms NEED ANSWER ASAP

Concentrations expressed as a percent by mass are useful when the solute is a a. liquid b. gas c. solid

Which of the following statements is true? an atom consists of protons, electrons, and neutrons.an atom consists of protons and neutrons.an atom consists of electrons bonded to one another.an atom consists of protons bonded to one another.

Problem page a jet airplane reaches 846. km/h on a certain flight. what distance does it cover in 13.0 min? set the math up. but don't do any of it. just leave your answer as a math expression. also, be sure your answer includes all the correct unit symbols.