3 d - 12
3 * 10 - 12
30 - 12 = 18
Answer : 18
Answer: 1.018
Step-by-step explanation:
The pH level of a substance indicates the concentration of hydrogen ions (
) in a solution and is calculated by:

In this case the hydrogen ion concentration is
, where
. Hence:

This means this new substance is acid
54 divided by 7 is 7.714285714285714285714285...
35 but dubble check to be sure