Tests show that the hydrogen ion concentration of a sample of apple juice is 0.0003 and that of ammonia is 3.1 x 10^-9. Find the pH of each liquid using the formula pH = - log |H3 0^+| where H3 0^ + is the hydronium ion concentration.
The pH value of the apple juice is
A. 1.75
B. 2.1
C. 3.5
D. 8.11
The pH value of ammonia is
A. 1.1
B. 5.4
C. 7.0
D. 8.9
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