The electric field strength at the surface of a flat negative electrode in 20°C salt water is 20 kV/m The field strength is 10 kV/m at a distance of 2.0 nm from the surface Part A What is the electrode's surface charge density in nC/cm²? Express your answer in nanocoulombs per square centimeter. VAX Submit Part B Bequest An ? nC/cm³ What is the molarity of the salt solution? Assume the salt is NaCl Express your answer in terms of molarity.

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The electric field strength at the surface of a flat
negative electrode in 20° C salt water is 20 kV/m
The field strength is 10 kV/m at a distance of
2.0 nm from the surface.
Part A
What is the electrode's surface charge density in nC/cm²?
Express your answer in nanocoulombs per square centimeter.
VAX
77-
Submit
Part B
Bequest Answer
co=
?
What is the molarity of the salt solution? Assume the salt is NaCl
Express your answer in terms of molarity.
195] ΑΣΦ
nC/cm³
2
M
Transcribed Image Text:The electric field strength at the surface of a flat negative electrode in 20° C salt water is 20 kV/m The field strength is 10 kV/m at a distance of 2.0 nm from the surface. Part A What is the electrode's surface charge density in nC/cm²? Express your answer in nanocoulombs per square centimeter. VAX 77- Submit Part B Bequest Answer co= ? What is the molarity of the salt solution? Assume the salt is NaCl Express your answer in terms of molarity. 195] ΑΣΦ nC/cm³ 2 M
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