The molar mass of hf is 20.01 g/mol. how many moles of sn are required to react with 40 g of hf?

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?

Asubstance is a good conductor of electricity which of the following best explains a probable position of the substance in a periodic table

What’s the theoretical yield of solid lead