Electrically neutral molecules formed by covalent bonds between atoms that have the same or similar electronegativity are called
2 answers:
Answer: non polar molecules
Explanation:
An electronegative atom is the one which attracts the shared pair of electron towards itself.
A polar covalent molecule is defined as the molecule which is formed when there is a difference of electronegativities between the atoms. Example:
Non-polar covalent molecule is defined as the molecule which is formed when there is no difference of electronegativities between the atoms. It is also defined as the bond which is formed due to the equal sharing of electrons between the atoms. Example:
Hence, the correct answer is non polar covalent molecule.
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Answer: 0.67 ml
Explanation:
According to the dilution law,
where,
= concentration of stock solution = 226 mg/ml
= volume of stock solution = ?
= concentration of working solution= 15 mg/ml
= volume of working solution= 10 ml
Putting in the values we get:
Thus volume of stock solution needed to dilute to have 10mL of working solution at the above concentration is 0.67 ml