To enter a local fair, one must pay an entrance fee and pay for the number of ride tickets he/she wants. Admission to the fair i
s given by the equation f(x) = .50x + 10, where x represents the number of tickets purchased and f(x) represents the total price. How much is the entrance fee? A) $10
B) $0.50
C) $10.50
D) Not enough information.
PH can be calculated using the following equation pH = -log [H₃O⁺] for apple juice the hydronium /hydrogen ion concentration is 0.0003 pH = -log (0.0003) pH = 3.5 correct answer is C
For ammonia pH = -log (3.1 x 10⁻⁹) pH = 8.5 answer should be 8.5