Question 12(Multiple Choice Worth 1 points) (02.03 HC) Kim heated 12 g of Substance A to obtain 4 g of Substance B and a certain amount of Substance C. Which statement is correct? Substance A and Substance C have the same mass. Substance B and Substance C have the same mass. Mass of Substance C is twice the mass of Substance B. Mass of Substance A is twice the mass of Substance C.
