Answer:
Explanation: For example, pH 4 is ten times more acidic than pH 5 and 100 times (10 times 10) more acidic than pH 6. The same holds true for pH values above 7, each of which is ten times more alkaline (another way to say basic) than the next lower whole value.
HOPE THAT HELPS
Answer:
A. Controlled variable
Explanation:
a controlled variable or a constant variable is a variable that doesnt change during an experiment
A. AlCl3 the more ions that dissociate in the water, the lower the freezing points becomes. AlCl3 has 4 ions which has the most out of all the other answer choices.