Sunday
April 20, 2014

Homework Help: chemistry

Posted by tarkan on Friday, December 24, 2010 at 5:15pm.

an impure sample of oxalic acid C2O4H2, with a mass of 0.465g, is dissolved in water. a few drops of phenolphthalein indicator solution are added, and the solution is titrated with 0.190 mol/L aqueous sodium hydroxide held in a burette. the solutointurns pink when 49.5mL of sodium hydroxide has been added. what is the percent purity of the oxalic acid sample.
please somebody help me with that is a assignment and i need to finish it and also understand it clearly....so plz can someone show me how to do it with steps and tell me the answer too plzzzzzzzzz......thank you :)

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

chemistry - A flask contains 0.342 g of acid and a few drops of phenolphthalein ...
Chemistry - You have a solution that contains 5.0 grams of oxalic acid dissolved...
Chemistry - You have a solution that contains 5.0 grams of oxalic acid dissolved...
difficult chemistry - 100 Liters of air at STP is slowly bubbled through 200ml ...
chem - Help with this one please? If you place a piece of blue litmus paper in ...
AP CHEMISTRY - Please could you help me predict the products of the following ...
acid-base titrations - For each of the following circumstances, indicate whether...
Science - A flask contains 0.528 g of acid and a few drops of phenolphthalein ...
science - OBJECTIVE: to find out which of two indicators, methyl orange or ...
Chemistry - What is the mole of oxalic acid? Equation:H2C2O4 + 2NaOH---> ...

Search
Members