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In a solution mixture of a 0.010M weak acid and 0.10M weak base, the measured pH was 4.75 at 24C. calculate the Ka of this weak acid. if 10mL of this mixture was then diluted with distilled water to a total volume of 100mL, what would be the new pH?
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If 0.050 mol hydrochloric acid (HCl) is mixed with 0.050 mol of sodium hydroxide (NaOH) in a "coffee cup" calorimeter, calculate the temperature change of 34.6 g of the resulting solution if the specific heat of the solu ...
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1. 2Cr(OH) 3 + 3Br 2 + 10OH - 6Br - + 2CrO 4 2- + 8H 2 O In the above redox reaction, use oxidation numbers to identify the element oxidized, the element reduced, the oxidizing agent and the reducing agent. 2. A tank ...
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