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4. (2 points) how many grams of oxalic acid dihydrate h2c2o4 -> 2h2o, a diprotic acid, are needed to react with 20.00 ml of 0.4500 m naoh.
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The characteristic of two different types of reactions are shown below. reaction a: electrons are gained by the atoms of an element. reaction b: protons are lost by the atom of and element. which statement is true about the atoms of the elements that participate in the two reactions? a: their identity changes in both reaction a and b. b: their identity changes in reaction a but not b. c: their identity changes in reaction b but not a. d: their identity remains the same.
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The ammonia molecule in the diagram has the observed bond orientation because
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4. (2 points) how many grams of oxalic acid dihydrate h2c2o4 -> 2h2o, a diprotic acid, are neede...
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