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What mass of naf must be added to 50.0 ml of a 0.500 m hf solution to achieve a ph of 3.25? for hf, ka = 7.2 x 10-4
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Acompound has a molar mass of 92.02 grams/mole, and its percent composition is 30.4% nitrogen (n) and 69.6% oxygen (o). what is its molecular formula? a. n2o4 b. no2 c. n2o d. n4o2
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What term is applied to a scientist who studies ancient life, including animal and plant fossils a. anthropologist b. dendroclimatologist c. geophysicist d. paleontologist
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Anthracite is so hard and pure it is also referred to as a renewable resource metamorphic rock hot bituminous coal dirty fuel
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What mass of naf must be added to 50.0 ml of a 0.500 m hf solution to achieve a ph of 3.25? for hf,...
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