If 17.50 grams of a barium sulfate precipitate are produced, find the number of moles of Barium Nitrate that
reacted.
CaSO4 (aq) + Ba(NO3)2 (aq) --> BaSO4 (s) + Ca(NO3)2

Afamily is one another name for a group on the table of elements.

Ionic compounds are made of ions, and yet the overall charge of an ionic compound is neutral. why?

Tin has ten stable isotopes. the heaviest, 124sn, makes up 5.80% of naturally occuring tin atoms. how many atoms of 124sn are present in 82.0 g of naturally occurring tin? what is the total mass of the 124sn atoms in this sample?