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.


1
Expert's answer
2021-04-15T02:03:20-0400

Moles = 0.1×2501000=0.25moles0.1×\frac{250}{1000}=0.25 moles


Mass = 0.25×204.23=51.059g0.25×204.23=51.059 g



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Comments

Assignment Expert
15.04.21, 11:11

Dear Bianca please post a new question

Bianca
15.04.21, 09:45

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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