What is metal “sponge” that chemists like sreetips precipitates out of acid solution? I’ve seen it dozens of times, and I don’t understand the state between “sponge” silver and gold, and when he melts it and pours metal bars. How is sponge metal?
I get that it’s a precipitate, but how is it metal? What is the change from precipitate to solid and shiny? What am I looking at here?
