One is tempted to say that the chemists who viewed solutions as compounds differed from their succes

One is tempted to say that the chemists who viewed solutions as compounds differed from their succes

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One is tempted to say that the chemists who viewed solutions as  compounds differed from their successors only over a matter of definition.  In one sense that may have been the case but that sense is not the one that  makes definitions mere conventional conveniences. In the 18th century  mixtures were not fully distinguished from compounds by operational tests  and perhaps they could have been but even if chemists had looked for such  a test they would have sought criteria that made the solution a mixture.  For Dalton if the mixture did not have a fixed proportion it ipso facto was  only a mixture - so any proof of a counter example to his theory was just  interpreted as a mixture.  It is difficult to see the revolutionary nature of science because current  history or text books are written from the current paradigm and  reinterpret the past as instances of the present view. 
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