Answer:
Hydrogen concentration = 7.94×10^-3 M
Explanation:
from potenz Hydrogen ( pH ) definition
pH = -log[H+]
2.1 = -log[H+]
2.1/-log = -log[H+]/-log
10^-2.1 = [H+]
[H+] = 7.94×10^-3M
The melting point for ice is at 32 degrees <span>Fahrenheit or O degrees Celsius.</span>
Answer:
condensation
Explanation:
when gases change to liqud it condenses.This occurs when the temperature is lowered
