4. How many grams of Mg are in 6.9 X10 23 molecules of Mg?

In which layer of earth do most earthauakes occur a_ inner core b_outer core c_mantle d_crust

Match the acid base pairs by arranging the acid name with the conjugate base formula. hydrogen carbonate hydrogen phosphate carbonic acid read water sulfuric acid phosphoric acid a. co32- b. hso4- c. hco3- d. po43- e. h2po4- f. oh-

Geothermal energy for industrial use is available almost anywhere. a.true b.false