The chemical equation below shows the reaction between tin (Sn) and hydrogen fluoride (HF). Sn + 2HF Right arrow. SnF2 + H2

The molar mass of HF is 20.01 g/mol. How many moles of Sn are required to react completely 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?