The average weighted atomic mass of magnesium is 24.305 amu. If the percent abundance of Mg-22 with an atomic mass of 22.445 amu is 18.30%, what is the atomic mass of the other isotope that is most common in nature?

About 70 percent of the earth's surface is water-covered, and about 96.5 percent of all earth's water is salt water. identify the watery feature on earth that is made of freshwater rather than salt water. a) bay b) glacier c) ocean d) sea it is not incomplete this is the true question

What reaction is taking place? 02 + c3h8 = h20 + co2

If 1.8 l of water is added to 2.5l of a 7.0 m koh solution, what is the molarity of the new solution