1) A solution with an unknown pH causes methyl orange to turn red and also cause

Question

1) A solution with an unknown pH causes methyl orange to turn red and also causes methyl violet to turn violet. What is the possible pH range for this solution?

2) A solution of sodium acetate (CH3COONa) has H+ added to the solution. write out an ionic reaction with sodium acetate and H+ as the reagents.

3) A solution of acetate acid (CH3CHOOH) has H+ added to the solution. Write out an ionic reaction with the acetic acid, H+ and water as the reagents.

4) Compare the pH of the products from question 3 and question 4. Remember that pH is only the concentration of H+ and has nothing to do with acetic acid or sodium acetate concentration. (Do not use numerical values).

Explanation / Answer

1. Methyl orange is red at range

( 0 - 3.2 )

Methyl Violet (or crystal violet) is violet at range that goes

(1.7 - 14)

So the PH range of your solution is

(1.7 - 3.2 )

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