Answer:
y=5x/2 + 9
Step-by-step explanation:
Check the above picture for workings
The hydronium ion is H₃O⁺ and its concentration is equivalent to the H⁺ ion concentration. The H⁺ ion concentration is given by:
pH = -log[H⁺]
[H⁺] = 10^(-8.2)
[H⁺] = 6.31 x 10⁻⁹ mole/dm³
The hydronium ion concentration is 6.31 x 10⁻⁹ mole/dm³
Answer: x = 69
Step-by-step explanation:
a)September because in absolute value it is the least amount.
b)August because it is the only one that lost below 190k.