Why do scientists use a mortar and pestle?

How many grams of n2h4 will be consumed by 23 g of n2o4

Which other elements contain the same number of outer electrons as sodium

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?