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? (1 point)
a
Substance A and Substance Chave the same mass.
Ob
Substance B and Substance Chave the same mass.
Ос
Mass of Substance C is twice the mass of Substance B.
Od
Mass of Substance A is twice the mass of Substance al