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Answer to Question #181506 in General Chemistry for Bianca Boshoff
Question #181506
Calculate the mass of potassium hydrogen phthalate needed to prepare a 0.1M solution in a 250ml volumetric flask given that the molar mass of potassium hydrogen phthalate is 204.23g/mol.
Expert's answer
Moles = "0.1\u00d7\\frac{250}{1000}=0.25 moles"
Mass = "0.25\u00d7204.23=51.059 g"
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Comments
Dear Bianca please post a new question
A 25mL aliquot of KHP prepared in question a ( with the answer of a wich is 51.058g) required 23.85mL of Naoh solution to reach end point during titration (a) what is the exact concentration in moles/litre of your Naoh solution?
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