The amount of grams of hydrogen that are in the water sample is;
3.985 g
<h3>Avogadro's number</h3>
We are given that;
Number of moles of oxygen in a sample of water = 12 × 10²³
- Now, the chemical formula of a molecule of water is H₂O. This means that for every 1 atom or molecule of oxygen, there must be 2 hydrogen atoms or molecules present.
Since Number of moles of oxygen in the sample is 12 × 10²³, then number of moles of hydrogen will be twice that = 2 × 12 × 10²³ = 24 × 10²³ moles
Now, molar mass of hydrogen is 1 g/mol and we know that;
Molar mass = Avogadro's number(6.023 × 10²³) moles
Thus;
6.023 × 10²³ moles = 1 g/mol
Thus; 24 × 10²³ moles of hydrogen = ( 24 × 10²³ × 1)/(6.023 × 10²³)
⇒ 3.985 g
Read more on Avogadro's number at; brainly.com/question/914267
Answer:
Yabure kabure no yabu isha ga take yabu
Explanation:
This is true.........................................................................
Answer:
The importance of occupation are:
1 .Occupation helps us to maintain our living standard. ...
2. It enhances the qualification, skills and capacities of professionals.
3. It keeps one busy and disciplined.
4. It lead country to rapid pace development.
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A term that represents the separation of the charges that are present in a molecule which results in partial positive and partial negative charges is: dipole.
A molecule can be defined as a group of two (2) or more atoms that are chemically bonded together, so as to form the smallest fundamental unit of a chemical compound.
In Chemistry, a dipole refers to the separation of all the charges that are present in a molecule which eventually results in the following:
- Partially positive charges.
- Partially negative charges.
In conclusion, a dipole moment occurs whenever there is a separation of charges between molecules.
Read more on dipole here: brainly.com/question/15583751
