How does the density of a 6-gram sample of iron compare to a 12-gram sample of iron? A. The density is tripled.
B. The density is doubled.
C. Both samples have the same density.
D. Both samples have the density is cut in half.

The density of an unknown gas at 98°c and 740 mmhg is 2.50 g/l. what is the molar mass of the gas with work showed?

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-

How many atoms are in 2 moles of phosphorus