Answer:
<h3>The answer is 5.0 g/mL</h3>
Explanation:
The density of a substance can be found by using the formula

From the question
mass = 100 g
volume = 20 mL
So we have

We have the final answer as
<h3>5.0 g/mL</h3>
Hope this helps you
Answer:
Do you still need this answer? :)
Explanation:
Answer:
0.374 g
Explanation:
Hello,
Since both the molarity and the volume allows us to know the moles of potassium permanganate, and we already have the balanced chemical reaction, the stoichiometric procedure that is attached in the picture, is developed to substantiate the the titrated mass of hydrogen peroxide was 0.374 g.
Best regards.
Explanation:
1=2 atoms
2=4-n where n is the number of bonds to that carbon
3=10
4=2