The mass and volume of each sample differ from the mass and volume of the other samples. Is it possible for each sample to conta
2 answers:
Answer: The correct answer is Option C.
Explanation:
To calculate the number of moles, we use the formula:
We are given in the question that the masses of twp samples are different and from the above formula, we see that the moles of a substance depends on the molar masses of the substance.
Volume of the substance has no effect on the moles.
So, the two substances can have 1 mol of substance.
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Explanation:
Common ion effect is defined as the effect which occurs on equilibrium when a common ion (an ion which is already present in the solution) is added to a solution. This effect generally decreases the solubility of a solute.
Equilibrium reaction of strontium sulfate and sodium sulfate follows the equation:
According to Le-Chateliers principle: If there is any change in the variables of the reaction, the equilibrium will shift in the direction in order to minimize the effect.
In the equilibrium reactions, hypochlorite ion is getting increased on the product side, so the equilibrium will shift in the direction to minimize this effect, which is in the direction of hydrogen hypochlorite.
Thus, the addition hypochlorite ions will shift the equilibrium in the left direction.
The dissociation of hydrogen hypochlorite is suppressed due to the common ion effect.