Answer:
C
Step-by-step explanation:
Took the test and got it right hope it's right
Answer:

Step-by-step explanation:
Answer:
2%
Step-by-step explanation:
Here is how I completed the problem:
I started by creating a ratio:

<em>Where 'x' is the desired amount of the 18% solution of sulfuric acid.
</em>From here, I solved for 'x':
<em>
</em>







∴You will need to add 1080ml of 18% Sulfuric Acid in order to obtain a 15% solution.