Calculate the pH at the following intervals during the titration of 50. mL of 0.100 M acetic acid (CH3COOH) with 0.200 NaOH: a. 0.00 mL NaOH added
b. 5.00 mL NaOH added
c. 25.00 mL NaOH added
d. 40.00 mL NaOH added

What is the gold assay

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It is a mixture. simply put, a compound must be pure, that is, of only one chemical structure and composition. a mixture is made of different chemical substances (i.e. elements, molecules, compounds) that are not chemically bonded to each other, but instead physically grouped together, as in the case of gasoline (a homogeneous solution).