The law of definite proportions helps explain why water will always

Question

Question 20 options:

A)

be used as a solvent to dissolve other compounds.

B)

consist of a particular proportion of hydrogen and oxygen.

C)

break down into gas when heated.

D)

be released or used up in a chemical reaction.

Answer 1

The law of definite proportions states that a chemical compound always contains its component elements in fixed ratio by mass. This law helps explain why water will always:

B) consist of a particular proportion of hydrogen and oxygen.

Water, for example, is always composed of two hydrogen atoms and one oxygen atom (H₂O), which reflects the fixed proportion mandated by the law of definite proportions.