What is the mass of a 1.00cm3 piece of iron having a density of 7.90g/cm3

If you want to create an electrical current, which situation would produce a solution capable of this

Write a hypothesis that answers the lesson question, “while observing a chemical reaction, how can you tell which reactant is limiting? ” hypothesis: if a substance is the limiting reactant, then . . because . .

Explain why pure hydrogen cyanide does not conduct electricity, but become a conductor when it is dissolved in water? (at room temp, pure hcn exists as a volatile liquid)