Chemistry 101L - Kentucky Department of Education

F. Cut a piece of Mg ribbon about 3 mm long and place into a small test tube. Place 1 mL (about 1 cm deep) of 3 M hydrochloric acid in another small test tube. ... Compare the color produced with the color/pH code provided to determine the pH of the water. This is the control pH, i.e. the pH of water saturated with air, for comparison with the ... ................
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