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
Leokris [45]
3 years ago
7

4. How many moles in 2.0 x 1023 atoms of H2O? here.

Chemistry
1 answer:
mezya [45]3 years ago
8 0

Answer:

0.33 moles

Explanation:

to find the number of moles,

moles = number of atoms / avogadro's number ie 6.02 x 10^{23}

moles = 2.0 x 10^{23} / 6.02 x 10^{23}

moles = 0.33 mol

You might be interested in
Is it wierd if i think my step sis is thick
iren2701 [21]

Answer:

yes it is and sometimes it's not

8 0
2 years ago
Read 2 more answers
The blackbody curve for a star named beta is shown below. The most intense radiation for this star occurs in what spectral band?
Viefleur [7K]
The answer is Infrared.
5 0
3 years ago
Read 2 more answers
What elements make up most of the mantle?
amid [387]
44.8% oxygen, 21.5% silicon, and 22.8% magnesium. There's also iron, aluminum, calcium, sodium, and potassium. These elements are all bound together in the form of silicate rocks, all of which take the form of oxides.
8 0
3 years ago
What is the chemical formula for the compound formed between chromium(iii) and the sulfate ion
Anastasy [175]
Cr2(SO4)3 is the formula
7 0
3 years ago
Read 2 more answers
Many medical devices are designed using the electromagnetic spectrum. Which type of electromagnetic wave has enough energy to ki
tresset_1 [31]
Gamma rays because the kill every living cell and they have the shortest waves that are dangerous
4 0
3 years ago
Other questions:
  • Use the periodic table to give the name and symbol for each of the following elements:
    12·1 answer
  • Inside the room the air is often warmer near the ceiling than near the floor. Which of the following accounts for the difference
    12·1 answer
  • Which reaction can provide the energy needed to run an endergonic reaction?
    9·1 answer
  • How many molecules are there in 79g of Fe2O3? how many atoms is thi
    8·1 answer
  • if we are made of stardust, does that make you feel more or less important as an individual (or just the same), and why?
    9·1 answer
  • An ice freezer behind a restaurant has a freon leak, releasing 41.60 g of C2H2F3Cl into the air every week. If the leak is not f
    14·1 answer
  • What is the term for the material being dissolved in a solution?
    14·2 answers
  • Plz help, if you don't know the answer please don't answer it
    5·1 answer
  • Help pls I will give brainliest!
    8·1 answer
  • Denise heard that little children will pick food based on color. So she offered 100 kindergarteners colored mashed potatoes for
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!