Calculate the number of either molecules or formula units for each of the following :

Apure solvent has a vapor pressure the vapor pressure of a solution. a. equal to b. lower than c. higher than

Flourine is found to undergo 10% radioactivity decay in 366 minutes determine its halflife

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?