Neon (Ne) has an atomic radius of 3.8 x 10-11 m. In a sample of neon the atoms
are 8.8 x 10-10 m apart. Calculate the ratio
of the distance between the neon atoms
to the diameter of neon atoms.

Achemistry student weighs out of phosphoric acid , a triprotic acid, into a volumetric flask and dilutes to the mark with distilled water. he plans to titrate the acid with solution. calculate the volume of solution the student will need to add to reach the final equivalence point. round your answer to significant digits.

Sulfuric acid (a component of acid rain) reacts with limestone (calcium carbonate) to produce calcium sulfate and carbon dioxide. this damages buildings and statues made of limestone. which solution of sulfuric acid will damage these structures more quickly? a. 0.001% b. 0.005% c. 0.010% d. 0.015%

In this chemical reaction, 325 grams of barium (ba) react completely. how many moles of lithium (li) are produced?