YuetteGuerrero YuetteGuerrero

02-06-2015
Chemistry

Answered

Which statement describes the composition of potassium chlorate, KClO3?
(1) The proportion by mass of elements combined in potassium chlorate is fixed.
(2) The proportion by mass of elements combined in potassium chlorate varies.
(3) Potassium chlorate is composed of four elements.
(4) Potassium chlorate is composed of five elements.

Answer :

Аноним Аноним

02-06-2015

The statement that best describes the composition of potassium chlorate, KCIO3 is " The proportion by mass of elements combined in potassium chlorate is fixed."

Answer Link

BarrettArcher BarrettArcher

03-01-2019

Answer : The correct option is, (1) The proportion by mass of elements combined in potassium chlorate is fixed.

Explanation :

The composition of any compound is studied on the basis of law of fixed proportion. This law stats that in a compound the elements are present in fixed proportion by their mass.

In the given options, the option (1) statement describes the composition of potassium chlorate.

While the other options (2), (3) and (4) statements does not describe the composition of potassium chlorate.

Hence, the correct option is (1).

Answer Link

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