Write the law of constant

1.	Write the law of constant
Answer» It state that ,"in a pure chemical substance ,the elements are always present in definite proportion by mass ." It was given by J proust and is also know as law of definite proportion Constant means having fixed proprtion by mass. For example : - G = 6.673 ( 10 )-11 . There are several examples of constants. The value of constant remains the same. G is said to be gravitational constant. The mass of the earth is 5.97 ( 10 * 10 * 10 * ..... 24 times. ) , remains the same. A chemical compound is always made up of the same elements combined together in the same fixed proportion by mass.

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