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A student prepares a weak acid solution by dissolving 0.2500 g HZ to give 100. mL solution. The titration requires 30.0 mL of 0.1025 M NaOH. Calculate the molar mass of the acid. THe answer is suppose to be 81.3 g/mol
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0.394 mol of a solid was dissolved in 340 mL of water at 26.9 oC. After the solid had fully dissolved, the final temperature of the solution was 31.6 oC. What is the molar heat of solution of the substance?
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Suppose that you take .5000 gram of Na2CO3 and titrate it with .115M HCL solution. What is the equivalence point volume expected for the complete titration? (Formula weights Na2CO3 = 105.99g/mol and HCL = 36.46g/mol)
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