1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
nikklg [1K]
3 years ago
10

A 1.00 g sample of a hydrogen peroxide (H2O2) solution is placed in an Erlenmeyer flask and diluted with 20 mL of 1 M aqueous su

lfuric acid. To this solution is added 0.0200 M KMnO4 solution via a buret, until a pale purple color persists. This requires 22.50 mL of KMnO4 solution. What is the percent by mass of hydrogen peroxide in the original solution? (A) 0.613% (B) 1.53% (C) 3.83% (D) 7.65%
Chemistry
1 answer:
mihalych1998 [28]3 years ago
3 0
The percent by mass is0.613
You might be interested in
Which stimulus is an example of an internal stimulus?
lawyer [7]

An example of an external stimulus is a decrease in oxygen levels in the blood during exercise.

Option C

<h3>What is stimulus?</h3>

A stimulus is defined as a thing or sensation that causes a specific reaction in an organ or tissue of a living organism

There are two types of stimuli:

  • Internal stimulus
  • External stimulus

Learn more about stimulus:

brainly.com/question/20117556

3 0
2 years ago
Why does hydrochloric acid have a higher boiling point than diatomic fluorine? The stabilizing effect of dipole interactions in
il63 [147K]
The correct answer would be the fourth option. Hydrochloric acid has a higher boiling point than fluorine molecule because the former is a polar molecule which means that it has stronger bonds than fluorine which is a non-polar molecule. Stronger bonds require more energy to break these bonds.
6 0
3 years ago
Read 2 more answers
Calculate the percent composition by mass of each element in Al(OH)3. Use at least three significant figures.
motikmotik

Answer:

nope nope nope nope nope nope nope nope

7 0
3 years ago
Read 2 more answers
In a physical change, the makeup of matter is changed.<br> True or false?
Simora [160]

Answer:

false

Explanation:

because it's just a physical change, the matter won't be changed.

Hope this might help you! I don't know if this is going to be right on everything, but it's a anwser

6 0
2 years ago
Help please asap will mark brainliest!
Fynjy0 [20]

Answer:

28.466256

Explanation:

3 0
3 years ago
Other questions:
  • Draw all the structural isomers for the molecular formula c4h9br. Be careful not to draw any structures by crossing one line ove
    9·1 answer
  • Decide which element probably formed a compound with hydrogen that has a chemical formula most and least similar to the chemical
    8·2 answers
  • According to Dalton's atomic theory, which statement is true about atoms of the same element? They can be destroyed. They have i
    8·2 answers
  • What must happen for liquid water to become water vapor? Select one: A. The water molecules must lose energy and stop moving. B.
    8·1 answer
  • Consider the following intermediate chemical equations. 2 equations. First: C(s)+(1/2)O2(g) ----&gt;CO(g). Second: CO(g)+(1/2)O2
    7·2 answers
  • Identify the number of valence electrons in each atom:<br> a. Calcium <br> b. Carbon <br> c. Sulfur
    13·2 answers
  • Balance the following equations ___Fe + __O2= ___Fe3O4
    14·1 answer
  • Summarize how methylmercury can biomagnify in the food chain. <br><br>​
    8·1 answer
  • Does anybody want a crown?
    13·2 answers
  • A house is built with a granite countertop. The heat capacity of the countertop is 158.5 kJ/°C. A hot pan of water is placed on
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!