It’s 9. 3x9 is 27. Nothing else times anything equals 27, excluding decimals.
The question is related to integration and we have to used the following formula





ok. We are given the following equation:

Where:

Since we are asked to determine "H" we will solve for "H" in the equation. To do that we will first multiply both sides by -1:

Now, we will use the following property of logarithms:

Applying the property and having into account that:

We get:

Now we substitute the given value of "pH = 4.5":

Solving the operation:

Therefore, the hydrogen ion concentration of the fluid is 0.000032
Answer:
m% = m/100
Step-by-step explanation:
what = a variable ... "x". for example.
"is" means "="
"of" means multiply
n = (m/100)•x