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
Maurinko [17]
2 years ago
10

What is the percentage by volume of 30.0 mL ethanol (C2H6O) dissolved in 150.0 mL water (H2O)?

Chemistry
1 answer:
NeX [460]2 years ago
5 0

Answer: 16.7 %

Explanation:

\frac{30.0}{150.0+30.0}=\boxed{16.7\%}

You might be interested in
Please i need help really quickly on this. thank you​
prohojiy [21]

Answer:

the error could have been the fact that the unit for volume wasn't changed from cm³ to dm³

hence the calculation error

the solution to this would be first dividing the volume by 1000 to get that same amount in dm³ which is the standard unit to be used for volume-density calculations

6 0
3 years ago
Ill give u brainliest help asap
Anna007 [38]

I think its A. it cant be C or D b/c we are measuring the distance between Earth and Saturn, not the speed.

7 0
3 years ago
Imagine that you're doing an experiment that requires you to smell the odor of a chemical solution in a beaker. Which procedure
Alex787 [66]
The correct answer is (a) wave the fumes toward your nose with your hand. If you smell the chemicals directly, it could be harmful too your health, especially if they are strong. Also remember to <em>never </em>smell chemicals unless you are being told to do so.
8 0
4 years ago
Read 2 more answers
Describe an adaptation to a plant's life cycle and explain how this adaptation helps the plant survive. (2 points)
dusya [7]

Answer:

Aquatic plants that live underwater have leaves with large air pockets inside that allow the plant to absorb oxygen from the water.

8 0
2 years ago
Read 2 more answers
NEED HELP ASAP! Write a statement explaining your claim about whether or not the equation is correctly balanced.
cupoosta [38]

Answer:

I think that it it correctly balanced that is my opinion and, because  the way it is set up, that the answer will tell you weather or not it is correctly balanced or not.

8 0
2 years ago
Read 2 more answers
Other questions:
  • If the concentration of h uons were to decrease what would happen to the oh ions
    11·1 answer
  • How many grams of titanium could be obtained from a 27.00 mole sample of Ti6Al4V?
    11·2 answers
  • How many grams of potassium iodide will produce 500 grams of silver iodide, when there is an excess of silver nitrate?Why?
    6·1 answer
  • Steel is formed by Group of answer choices oxidizing some of the iron to iron oxides. combining iron, carbon and transition meta
    9·1 answer
  • What color do we see when all light is reflected?
    6·1 answer
  • How many different elements are in nine substances
    6·1 answer
  • Need help with this can some please help
    14·1 answer
  • what element is this atom? need the answer in 30 minutes. Feel free to answer the other questions. NEED HELP!
    9·2 answers
  • In addition to not causing damage to the sample, what is another advantage of using a microspectrophotometer to analyze fibers?
    7·1 answer
  • a 1.00-l solution contains 2.50×10-4 m cu(no3)2 and 1.20×10-3 m ethylenediamine (en). the kf for cu(en)22 is 1.00 × 1020. chegg
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!