The quantity of electricity which is required to evolve 0.5 g of H2 gas can deposit of copper from CuSO4 solution. [Cu = 63.5 , H = 1] a) 12.7 g

b) 15.875 g

c) 31.75 g

d) 63.5 g​

Which is a chemical property of iron? a. it forms iron oxide (rust) when exposed to moisture and air. b. it is a gray–black metal that is hard to the touch. c. it has a melting point of 2795°f (1536°c). d. it is a good conductor of heat

What is the mass of each element in a 324.8 sample of co2

Many ionic compounds and a few highly polar covalent compounds are because they completely ionize in water to create a solution filled with charged ions that can conduct an electric current.