Question

1.what are the two most common anions present in antacids?

2. if the analysis is known to be phillips' milk of magnesia, the solution does not need to be heated, but if the sample is mylanta, the solution must must be heated. explain the difference in experimental procedures.

3. how much time should be allowed for the titrant to drain from the buret wall before a reading is made

4. what criterion is followed in reading and recording the volume of titrant of a buret?

HELLP!

Answer 1

1. CO₃^2- and OH^- are the two most common anions in antacids.

2. The difference in the experimental procedures is if the solution needs to be heated or not is :

For the Phillips Milk of Magnesia, heat is NOT added so its procedure would be:

Reactant      Product (No heat is required)

But for the sample of mylanta, the reactant(s) would require heat to remove the excess dissolved CO₂ (carbon dioxide) in order to get the product so the procedure would look like this:

Reactant + Heat    Product (Heat is required)