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]
2 years ago
15

How many molecules are in 4.5 moles of H2O?

Chemistry
1 answer:
Evgen [1.6K]2 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
The rate of a chemical reaction may be defined as Select one: a. the time it takes for the reaction to be completed b. the chang
kaheart [24]
It is A. This is because the rate of reaction is defined as the speed at which the reactants are converted into the products.
8 0
2 years ago
Colorimetric methods of analysis are based on having a reagent that changes _____________ as a function of the concentration of
GREYUIT [131]

Colorimetric methods of analysis make use of Color changes in reagents to decipher the concentration of solutions.

Therefore, color completes the sentence

<h3>Colourimetric analysis</h3>

Generally, Colorimetric analysis is used to know the concentration of a chemical element in a solution while using colour indicators or reagents.

Therefore

Colorimetric methods of analysis are based on having a reagent that changes Color as a function of the concentration of the analyte.

Color

For more information on  Compound

brainly.com/question/704297

3 0
1 year ago
What is the relationship between events and patterns?
MAXImum [283]
Events that happen over and over create/become a pattern
8 0
3 years ago
Read 2 more answers
The side chains of amino acids may contain..
salantis [7]

The correct answer is d)all of above

examples for a are tyrosine for b lysine and for c isoleucine

6 0
3 years ago
Read 2 more answers
Twenty-four grams of magnesium metal reacts with sixteen grams of oxygen gas to form magnesium oxide. According to the law of co
DedPeter [7]
The law of conservation of mass dictates that the total mass of reactants must be equal to the total mass of the products. Thus:
mass(MgO) = mass(Mg) + mass(O)
mass(MgO) = 24 + 16
mass(MgO) = 40 g

The third option is correct.
4 0
3 years ago
Read 2 more answers
Other questions:
  • Which statements are true of geothermal energy? Check all that apply.
    12·2 answers
  • What do colligative properties depend on?
    10·2 answers
  • What is Aqua Auras mineral family/class?
    5·1 answer
  • What is the initial
    6·1 answer
  • Which coefficients correctly balance the formula equation CaCo3(s) CaCo3+CO2(g)? a. 1, 1, 1 c. 2, 6, 3 b. 1, 3, 1 d. 3, 1, 2
    10·1 answer
  • Time such as minutes, days, and months will always
    9·1 answer
  • __________ is the attractive pull between any two objects.
    7·2 answers
  • . Explain the differences between ionic, nonpolar covalent, and polar covalent bonds.
    12·1 answer
  • A solution contains 14 grams of KCl in 100. grams of water at 40°C. What is the minimum amount of KCl that must be added to make
    13·1 answer
  • A summary about liquid
    9·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!