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Calculate the pH of a 1.5 10-7 M solution of HCl.
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An international confrontation that occurred between 1939 and 1945, drawing in almost every nation on earth, including the major powers which were split into two antagonistic armed coalitions: the Allies and the Axis.
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World War II
A global conflict that took place from 1939 to 1945, involving most of the world's nations and resulting in significant geopolitical changes.
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