Last Updated On [03-11-2023]
10 mL of 1 mM surfactant solution forms a monolayer covering 0.24 cm2 on a polar substrate. If the polar head is approximated as a cube, what is its edge length?
(a)
2.0 pm
(b)
2.0 nm
(c)
0.1 nm
(d)
1.0 pm
10 mL of 1 mM surfactant solution forms a monolayer covering 0.24 cm2 on a polar substrate. If the polar head is approximated as a cube, what is its edge length?
(a)
2.0 pm
(b)
2.0 nm
(c)
0.1 nm
(d)
1.0 pm
Question ID - 52672 :-
10 mL of 1 mM surfactant solution forms a monolayer covering 0.24 cm2 on a polar substrate. If the polar head is approximated as a cube, what is its edge length?
(a)
2.0 pm
(b)
2.0 nm
(c)
0.1 nm
(d)
1.0 pm
|
10 mL of 1 mM surfactant solution forms a monolayer covering 0.24 cm2 on a polar substrate. If the polar head is approximated as a cube, what is its edge length? |
|||
|
(a) |
2.0 pm |
(b) |
2.0 nm |
|
(c) |
0.1 nm |
(d) |
1.0 pm |
No. of surfactant molecule 6×1023×
×10−3
⇒ 6×1018 molecule
Let edge length =a cm
Total surface area of surfactant=6×1018 a2
⇒0.24
a=2×10−10 cm=2pm
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