[Answer] In Stage 1 of his lab Gunther adds 20 mg of solute into a solution. He stirs it and it completely dissolves. In Stage 2 he adds 20 mg more of solute and stirs but this time some settles out. In Stage 3 he then heats his solution adds 20 mg more and the solute completely dissolves. Which best explains his experiment? Multiplying Decimals