Answer:
pH = - log [2.12 x 10^-3]
what is the log of 2.22 x 10^-3]
Take the opposite of that,
That is the pH, now, just make certain you use the correct significant figures.
Explanation:
Answer:
A. Samuel
Explanation:
although he is not right he gets the same measurement several times
Physical change is the color, shape stuff like that and chemical change is once it’s changed it can’t go back
Fossil fuels about into Earth ice age time
Answer:
A. State of matter of the substance.
Explanation:
During a chemical change, the composition of matter always changes.
