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
Answer:
Anything that takes up space and has mass
Answer:
1:must have host cell to reproduce
2:red blood cells
3:the body can't make antibodies.
Explanation:
I hope it is right.
Yes It does exist.
CaCl2+CO2+H20----> CaCO3 + 2HCl
<span>CaCl2 reacts with water to form CaO an then CaO reacts with CO2 to form CaCO3.</span>