NEET Exam > NEET Questions > The total number of electrons present in 18ml...
Start Learning for Free
The total number of electrons present in 18ml of water: a)6.02×10^22 b) 6.02×10^23 c)6.02×10^24 d)6.02×10^25?
Most Upvoted Answer
The total number of electrons present in 18ml of water: a)6.02×10^22 b...
Total Number of Electrons in 18ml of Water
Water is a chemical compound consisting of two hydrogen atoms and one oxygen atom. Its molecular formula is H2O. In this question, we need to find out the total number of electrons present in 18ml of water.
Avogadro's Number
Before we can calculate the total number of electrons, we need to understand Avogadro's number. Avogadro's number is defined as the number of particles in one mole of a substance. It is equal to 6.02 x 10^23. One mole of a substance contains the same number of particles as there are atoms in exactly 12 grams of carbon-12.
Calculating the Total Number of Electrons
To calculate the total number of electrons present in 18ml of water, we first need to find out the number of moles of water in 18ml. We know that the molar volume of any gas at standard temperature and pressure is 22.4 liters. Since water is not a gas, we need to convert the volume of 18ml to liters.
18ml = 0.018 liters
Now, we can calculate the number of moles of water:
Number of moles = Volume of water / Molar volume of water
Number of moles = 0.018 / 0.0224
Number of moles = 0.8036
Since each water molecule contains three atoms (two hydrogen atoms and one oxygen atom), we can calculate the total number of atoms in 0.8036 moles of water:
Total number of atoms = Number of moles x Avogadro's number x 3
Total number of atoms = 0.8036 x 6.02 x 10^23 x 3
Total number of atoms = 1.448 x 10^24
Finally, we can calculate the total number of electrons by multiplying the total number of atoms by the number of electrons in each atom:
Total number of electrons = Total number of atoms x Number of electrons per atom
Total number of electrons = 1.448 x 10^24 x 8
Total number of electrons = 1.1584 x 10^25
Therefore, the correct option is d) 6.02×10^25.
Water is a chemical compound consisting of two hydrogen atoms and one oxygen atom. Its molecular formula is H2O. In this question, we need to find out the total number of electrons present in 18ml of water.
Avogadro's Number
Before we can calculate the total number of electrons, we need to understand Avogadro's number. Avogadro's number is defined as the number of particles in one mole of a substance. It is equal to 6.02 x 10^23. One mole of a substance contains the same number of particles as there are atoms in exactly 12 grams of carbon-12.
Calculating the Total Number of Electrons
To calculate the total number of electrons present in 18ml of water, we first need to find out the number of moles of water in 18ml. We know that the molar volume of any gas at standard temperature and pressure is 22.4 liters. Since water is not a gas, we need to convert the volume of 18ml to liters.
18ml = 0.018 liters
Now, we can calculate the number of moles of water:
Number of moles = Volume of water / Molar volume of water
Number of moles = 0.018 / 0.0224
Number of moles = 0.8036
Since each water molecule contains three atoms (two hydrogen atoms and one oxygen atom), we can calculate the total number of atoms in 0.8036 moles of water:
Total number of atoms = Number of moles x Avogadro's number x 3
Total number of atoms = 0.8036 x 6.02 x 10^23 x 3
Total number of atoms = 1.448 x 10^24
Finally, we can calculate the total number of electrons by multiplying the total number of atoms by the number of electrons in each atom:
Total number of electrons = Total number of atoms x Number of electrons per atom
Total number of electrons = 1.448 x 10^24 x 8
Total number of electrons = 1.1584 x 10^25
Therefore, the correct option is d) 6.02×10^25.
Community Answer
The total number of electrons present in 18ml of water: a)6.02×10^22 b...
Attention NEET Students!
To make sure you are not studying endlessly, EduRev has designed NEET study material, with Structured Courses, Videos, & Test Series. Plus get personalized analysis, doubt solving and improvement plans to achieve a great score in NEET.
|
Explore Courses for NEET exam
|
|
Similar NEET Doubts
Top Courses for NEETView all
The total number of electrons present in 18ml of water: a)6.02×10^22 b) 6.02×10^23 c)6.02×10^24 d)6.02×10^25?
Question Description
The total number of electrons present in 18ml of water: a)6.02×10^22 b) 6.02×10^23 c)6.02×10^24 d)6.02×10^25? for NEET 2024 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about The total number of electrons present in 18ml of water: a)6.02×10^22 b) 6.02×10^23 c)6.02×10^24 d)6.02×10^25? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The total number of electrons present in 18ml of water: a)6.02×10^22 b) 6.02×10^23 c)6.02×10^24 d)6.02×10^25?.
The total number of electrons present in 18ml of water: a)6.02×10^22 b) 6.02×10^23 c)6.02×10^24 d)6.02×10^25? for NEET 2024 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about The total number of electrons present in 18ml of water: a)6.02×10^22 b) 6.02×10^23 c)6.02×10^24 d)6.02×10^25? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The total number of electrons present in 18ml of water: a)6.02×10^22 b) 6.02×10^23 c)6.02×10^24 d)6.02×10^25?.
Solutions for The total number of electrons present in 18ml of water: a)6.02×10^22 b) 6.02×10^23 c)6.02×10^24 d)6.02×10^25? in English & in Hindi are available as part of our courses for NEET.
Download more important topics, notes, lectures and mock test series for NEET Exam by signing up for free.
Here you can find the meaning of The total number of electrons present in 18ml of water: a)6.02×10^22 b) 6.02×10^23 c)6.02×10^24 d)6.02×10^25? defined & explained in the simplest way possible. Besides giving the explanation of
The total number of electrons present in 18ml of water: a)6.02×10^22 b) 6.02×10^23 c)6.02×10^24 d)6.02×10^25?, a detailed solution for The total number of electrons present in 18ml of water: a)6.02×10^22 b) 6.02×10^23 c)6.02×10^24 d)6.02×10^25? has been provided alongside types of The total number of electrons present in 18ml of water: a)6.02×10^22 b) 6.02×10^23 c)6.02×10^24 d)6.02×10^25? theory, EduRev gives you an
ample number of questions to practice The total number of electrons present in 18ml of water: a)6.02×10^22 b) 6.02×10^23 c)6.02×10^24 d)6.02×10^25? tests, examples and also practice NEET tests.
|
|
Explore Courses for NEET exam
|
|
Suggested Free Tests
Signup for Free!
Signup to see your scores go up within 7 days! Learn & Practice with 1000+ FREE Notes, Videos & Tests.
|
© EduRev
|
Education Revolution
|
|
Signup to see your scores
go up within 7 days!
Access 1000+ FREE Docs, Videos and Tests
Takes less than 10 seconds to signup