Chem 123 lab ubc - Study guides, Class notes & Summaries

CHEM 123 - Lab final - UBC Questions And Answers Graded A+ | Complete Solutions

[A] = -kt + [A]0 - 0th order integrated rate law 1/[A] = kt + 1/[A]0 - 2nd order integrated rate law accuracy - how close a measured value is to the true value acid buffer capacity - the number of moles of H3O + per litre of buffer which are required to lower the pH by 1 unit (units = M) analytical balance - - used to determine a precise mass to the nearest +/- 0.0001 g - masses are always reported to 4 decimal places Are you allowed to change the flow rate after you've set it? - no you ...

why do we perform iodometric titrations - correct answer to find the concentration of an unknown by mixing it with a solution of known concentration What are the 4 (general) steps of an iodometric titration? - correct answer combine solutions, reach endpoint, calculate, determine the concentration of the unknown What reaction takes place during an iodometric titration? - correct answer oxidation-reduction reaction what is used as the oxidizing agent in an iodometric titra...

CHEM 123 Correct Answers - Lab final – UBC. to find the concentration of an unknown by mixing it with a solution of known concentration - CORRECT ANSWERwhy do we perform iodometric titrations combine solutions, reach endpoint, calculate, determine the concentration of the unknown - CORRECT ANSWERWhat are the 4 (general) steps of an iodometric titration? oxidation-reduction reaction - CORRECT ANSWERWhat reaction takes place during an iodometric titration? potassium iodate - CORR...