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What is the empirical formula of vanadium 1 oxide given that 20.38 grams of vandium combines with oxygen to form 23.58 grams of the oxide
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Achemist needs to prepare a buffer solution of ph 8.80. what molarity of nh3 (pkb = 4.75) is required to produce the buffer solution if the (nh4)2so4 in the solution is 1.8 m?
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Chemistry, 24.06.2019 03:00
Which statement describes the law of superposition? sedimentary rocks were originally in horizontal layers. in horizontal rock layers, each layer is younger than the one below it. rock layers must be in existence before something can happen to them. rocks that are not in horizontal layers were shifted by some geologic event.
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How many moles of oxygen are in 6.0×10²²...
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