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
Effectus [21]
3 years ago
15

How many molecules are in 4.5 moles of H2O?

Chemistry
1 answer:
Evgen [1.6K]3 years ago
6 0

Answer:

There would be around 2.7*10^24 molecules.

Explanation:

You have to multiply the amount of moles by Avogadro's number to get amount of molecules.

You might be interested in
What is the molar mass of an element?
Vesnalui [34]

The answer is: the mass of 6.02 x 1023 representative particles of the element.

The base SI unit for molar mass is kg/mol, but chemist more use g/mol (gram per mole).

For example, molar mas of ammonia is 17.031 g/mol.

M(NH₃) = Ar(N) + 3 · Ar(H) · g/mol.

M(NH₃) = 14.007 + 3 · 1.008 · g/mol.

M(NH₃) = 17.031 g/mol.

The molar mass (M) is the mass of a given substance (in this example ammonia) divided by the amount of substance.


8 0
3 years ago
Why is large-scale nuclear fission a rare phenomenon on Earth? A. There isn't enough energy to start a chain reaction in nature.
siniylev [52]

The answer is; C

The radioisotopes in the interior of the earth are not in pure form and have many embedded impurities and are interspersed. Therefore when a neutron is released by a decaying atom, its chances of hitting another radioisotope atom (to continue the chain reaction) are lower than in a manmade nuclear reactor. This way, the radioactive chain reaction in the earth’s interior is not well sustained.


6 0
3 years ago
Read 2 more answers
Determine the number of liters in a 355 milliliter can of soda.<br> Ans: 0.355 L
Drupady [299]
0.355

A cubic inch is a unit of volume. It is the size of a cube that is 1 inch on a side. It is approximately 1.1 tablespoons, or about 16.4 cubic centimeters. A liter, or litre, is a unit of volume in the metric system.
...
8 0
3 years ago
If liquid water has a density of 1.00 g/ml at 25 °C and you allow 48 ml of water.to freeze in a 50 ml glass container, will the
tensa zangetsu [6.8K]
Can u help me :( no one is helping me
8 0
3 years ago
If an element has 12 protons, 13 neutrons, and 15 electrons, what is its mass?
-BARSIC- [3]

Answer:

25

Explanation:

mass number = protons + neutrons

= 13 + 12 = 25

7 0
3 years ago
Other questions:
  • H202-h20-o2<br> In this process oxygen gas is a
    6·1 answer
  • You have a 2 Liter solution that contains 1 mole of NaCI. What is the molarity of the solution?
    15·1 answer
  • suppose you find a website that describes the rusting of a nail as a change to only the physical properties of iron. Would that
    15·1 answer
  • What does the term chemistry mean?
    8·1 answer
  • Soft drinks, such as Coke and Sprite, are solutions in which a gas (carbon dioxide) is dissolved in a liquid (water). What roles
    8·1 answer
  • Rank the 4 phases of matter in order from slowest to fastest atom speed. And why
    8·2 answers
  • Woh want to do a long distance relationship with me
    13·1 answer
  • PLS ANSWER FAST WILL GIVE BRAINLY!!!!
    15·2 answers
  • If you burn a citronella candle near your picnic will it keep mosquitoes away
    12·2 answers
  • if a gas has an initial pressure of 24,650 pa and an initial volume of 376 ml, what is the final volume if the pressure of the g
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!