When we combine sodium and chlorine, they just "fit." This means both atoms are happy and the resulting ratio is 1:1. What is the net charge of the resulting ionic compound?

How many moles of magnesium is 3.01 x10^22 atoms of magnesium?

Achemist 16 drop copper metal from copper chloride solution. the chemist place is 0.50 g of aluminum foil in a solution containing 0.75 g of copper (ii) chloride. a single replacement reaction takes place. which statement explains the maximum amount of copper that the chemist can extract using this reaction?

Asample of tin (ii) chloride has a mass of 0.49 g. after heating, it has a mass of 0.41 g.  what is the percent by mass of water in the hydrate?   %