Sirius, the brightest star, is 8.8 light-years from earth. that means
a) sirius is not part of...
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How many mmols of tris-hcl are there in 100 ml of a 100 mm tris-hcl buffer solution at ph 8.1? note that the 100 mm refers to the sum of tris and tris-hcl concentrations?
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When a scientific theory has been tested and proved by the scientific community, it becomes a law
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