What is the pH of a solution with [H ] = 1.25´10–10?
2 answers:
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Answer:
b) 99 kPa
Explanation:
According to Daltons law of partial pressure, the total pressure of a mixture of two or more non reactive gases is the sum of their individual pressures. Let the total pressure of a mixture of n number of gases be and their individual pressure be
, According to Daltons partial pressure law:
Since A glass cylinder contains 2 gases at a pressure of 106 kPa, therefore n = 2. Also one gas () is at 7 kPa. Using Daltons partial pressure law:
Answer:
Explanation:
Given:
Let's find the distance of separation between cation and anion when there is no applied electric field with the formula:
d = 0.100 nm + 0.140 nm
= 0.240 nm
Let's also calculate the distance of separation between anion and cation when there is an applied electric field.
We use the formula:
∆d = 5%d => 0.05d
= 0.05 * 0.024 nm
∆d = 0.0120 nm
Given magnitude of each dipole=
Let's find the dipole moment, with the formula:
p = q∆d
Substituting figures in the formula, we have: