Estimation of pH Prelab Questions
NAME _______________________________________ DATE ______________

ESTIMATION OF PH PRELAB


1. How would the extra drop affect his results?




2. What can be said about the pH of the solution?




3. A student is given two beakers, one containing 2 M acid and one containing 2 M base. Which has...

a. the lowest pH?


b. the highest hydronium ion concentration?


c. water acting as a base?


4. Complete the table.
indicator color in fructose
solution
color in drain
cleaner solution
methyl green _________________ _________________
congo red _________________ _________________
litmus _________________ _________________
phenol red _________________ _________________
thymolphthalien _________________ _________________


5. Could you use the information provided to determine which solution was which? Explain.