A sample of NH3 molecule irrespective of source contains 82.35% nitrogen and 17.65% hydrogen by mass. This data supports:
A
Law of definite proportions
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B
Law of conservation of mass
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C
Law of multiple proportions
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D
Avogadro’s law
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Solution
The correct option is A Law of definite proportions According to the law of definite proportions when two elements are combined together in a fixed proportion by their weight, they bear a simple whole number ratio.