If the cell emf of a Zn-Cu cell is 0.80 V when the concentration of Zn2+ is 2.0M, what is the concentration of Cu2+

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Q: assuming complete dissociation what is the ph of a 3.04 mg/l ba(oh)2 solution

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Q: 1. What is the final temperature when the 625 g of water at 75.0°C loses 7.96 x10^4 J?

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