Much to everyone’s surprise, nitrogen monoxide (NO) has been found to act as a neurotransmitter. To prepare to study its effect,
a sample was collected in a container of volume 300.0 cm3. At 14.5 °C its pressure is found to be 34.5 kPa. What amount (in moles) of NO has been collected?
1 answer:
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Answer:
At standard room temperature, when
.
Explanation:
The following equilibrium goes on in water:
.
The forward reaction is known as the self-ionization of water. The ionization constant of water, , gives the equilibrium position of this reaction:
.
At standard room temperature (),
. Also,
. Substitute both values into the equation and solve for
.
.
In other words, in an aqueous solution at standard room temperature, when
.