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
Alex Ar [27]
3 years ago
12

How many molecules are present in 4.5 moles of H2O?

Chemistry
1 answer:
Gekata [30.6K]3 years ago
6 0

Answer:

Mole of the H2O = 4.5

Number of molecules =4.5 multipled by avogadro's number.

You might be interested in
how many moles of sodium are needed to react with sulfuric acid to produce 3.75 moles of sodium sulfate according to the followi
anastassius [24]
Hello!
<span>
You'll need to react 7,5 moles of Sodium with sulfuric acid to produce 3.75 moles of sodium sulfate
</span>
First of all, you need to balance the reaction. The balanced reaction is shown below (ensuring that the Law of Conservation of Mass is met on both sides):

2Na + H₂SO₄ → Na₂SO₄ + H₂

Now, all that you have to do is to use molar equivalences in this reaction applying the coefficients to calculate the moles of Sodium that you'll need:

molesNa=3,75moles Na_{2} SO_4* \frac{2 moles Na}{1 mol Na_{2} SO_4} =7,5 moles Na 

Have a nice day!
5 0
3 years ago
Does someone know the combustion in a jacket potato???
Leya [2.2K]

Answer:

Some varieties of potato, such as Russet and King Edward, are more suitable for baking than others, owing to their size and consistency. Despite the popular misconception that potatoes are fattening, baked potatoes can be part of a healthy diet.[2]

7 0
3 years ago
True or False- The parts of a mixture keep their own properties when they are combined.
ICE Princess25 [194]
It is true yes :) happy to help

4 0
3 years ago
Write sentences that completely describe each of the chemical reactions shown in these skeleton equations. 11.1
Natasha2012 [34]
Please upload a photo of your question!
6 0
3 years ago
Which of the following questions can be answered by science? (2 points) What makes a song sound beautiful? What is the meaning o
34kurt

Answer:

D

Explanation:

Its the only answer that actually makes sense and i got it right on the quiz.

5 0
3 years ago
Other questions:
  • From the following enthalpy of reaction data and data in Appendix C, calculate ΔH∘f for CaC2(s): CaC2(s)+2H2O(l)→Ca(OH)2(s)+C2H2
    13·1 answer
  • Equal volumes of H2 and O2 are placed in a balloon and then ignited. Assuming that the reaction goes to completion, which gas wi
    5·1 answer
  • Consider the reaction: A (aq) ⇌ B (aq) at 253 K where the initial concentration of A = 1.00 M and the initial concentration of B
    11·1 answer
  • If a neutral atom has a mass of 12 amu and an atomic number of 5, determine the number of protons, neutrons, and electrons in th
    14·2 answers
  • How many moles of sodium bicarbonate are in 1.50 kg of the compound?
    14·1 answer
  • I'll give brainiest a person who answers first correctly :) I promise
    7·2 answers
  • Which order is correct in listing the bond lengths from shortest to longest?
    14·1 answer
  • NEED HELP! SCIENCE HW IS DUE IN 1 HOUR!!!!!!!!
    12·1 answer
  • A compound is 48.6 % C, 8.2 % H, and 43.2 % O by mass. Calculate the empirical formula of this compound.
    14·1 answer
  • In what type of bonds do atoms join together because their opposite charges attract each other?
    7·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!