1. Bailey wants to find out which frozen solid melts the fastest: soda, gatorade, or orange juice. She pours each of the three l
2 answers:
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Answer: 1. Lewis acid :
, Lewis base :
2. Lewis acid :
, Lewis base :
3. Lewis acid :
, Lewis base :
Explanation:
According to the Lewis concept, an acid is defined as a substance that accepts electron pairs and base is defined as a substance which donates electron pairs.
1.
As gained electrons to complete its octet. Thus it acts as lewis acid.
acts as lewis base as it donates lone pair of electrons to electron deficient specie
.
2.
As is short of two electrons to complete its octet. Thus it acts as lewis acid.
acts as lewis base as it donates lone pair of electrons to electron deficient specie
.
3.
As is short of electrons to complete its octet. Thus it acts as lewis acid.
acts as lewis base as it donates lone pair of electrons to electron deficient specie
.
Answer:
The molar mass of the protein is 12982.8 g/mol.
Explanation:
The osmptic pressure is given by:
π=MRT
Where,
M: is molarity of the solution
R: the ideal gas constant (0.0821 L·atm/mol·K)
T: the temperature in kelvins
Hence, we look for molarity:
= =5.584×10⁻³mol/l
As we have 2 ml of solution, we can get the moles quantity:
Moles of protein: 5.584×10⁻³×2ml=1.117×10⁻⁵mol
Finally, the moles quantity is the division between the mass of the protein and the molar mass of the protein, so:
Moles=Mass/Molar mass
Molar mass= Mass/Moles==12982.8 g/mol