Answer:
36 hours.
Step-by-step explanation:
D
If your pH is lower, it has more Hydronium ions
As a rule, for every decrease in pH, there is 10 times more H3O+ so since it is 4.1 there should be a bit more than 10^4. So it has to be D
Answer: C
Step-by-step explanation:
You want to cover 56 inches, 8*7=56. It will cost $70 to cover the book.
The answer is 51.9 becuse 51.4 +0.5 = 51.9