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Three Samples of a Solid Substance Composed of Elements a and Z

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Three samples of a solid substance composed of elements A and Z were prepared.The first contained 4.31 g A and 7.70 g Z.The second sample was 35.9% A and 64.1% Z.It was observed that 0.718 g A reacted with Z to form 2.00 g of the third sample.Show that these data illustrate the law of definite composition.

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Sample (1): ratio of masses (Z/A)= 7.70/...

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