Question 4
Chemical Formulae and EquationsIn two separate experiments, 0.36 g and 0.71 g of chlorine combined with a metal X to give Y and Z respectively. An analysis showed that Y and Z contain 0.20 g and 0.40 g of X respectively. The data above represents the law of
- A.multiple proportion
- B.conservation of mass
- C.constant composition
- D.reciprocal proportion
Show the answer and explanation
Answer: C (constant composition)
Explanation
1 g of chlorine combines with about 0.56 g of X in both samples. The same ratio by mass each time shows the law of constant composition.