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A solution is prepared by adding 50.0 ml of 0.050M HBr to 150.0 ml of 0.10M HI. Calculate the concentration of all species in this solution. HBr and HI are both considered strong acids.
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A sample of cobalt (II) chloride hydrate starts with a mass of 3.35 g. After heating, the sample mass is 1.83 g. What is the molar ratio of water to cobalt chloride? What is the correct chemical formula
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