
of gave of hence, percentage purity of is:
Answer
473.7k+ views
Hint: We know that percentage purity of substance or compound can be determined by dividing the mass of the pure chemical by the total mass of the sample, and then multiplying this number by hundred to get percentage purity.
Complete answer:
In the given question it is given that of gave of we have to calculate percentage purity of . Now calculate the percentage purity step by step:
Given mass of and we know the molar mass of is
So, in the moles of is
From the given reaction it given that moles of produced moles of
So, moles of produce moles of
Thus, moles of produced moles of
But in the question only moles of is given. So, the percentage purity is,
Percentage purity
On solving above equation, we get
Percentage purity
The percentage purity of is . So, the correct option is .
Additional information:Percentage purity: percentage purity is defined as it is the percentage of pure compound in an impure sample. It can also define as percentage purity indicates the amount of pure and impure substance present in a sample.
Note: It is to be noted that in an impure sample of a chemical of known percent purity is used in a chemical reaction, the percent purity has to be used in stoichiometric calculations. Conversely, the percent purity of an impure sample of a chemical of unknown percent purity can be determined by a reaction with a pure compound as in an acid-base titration.
Complete answer:
In the given question it is given that
Given mass of
So, in
From the given reaction it given that
So,
Thus,
But in the question only
Percentage purity
On solving above equation, we get
Percentage purity
The percentage purity of
Additional information:Percentage purity: percentage purity is defined as it is the percentage of pure compound in an impure sample. It can also define as percentage purity indicates the amount of pure and impure substance present in a sample.
Note: It is to be noted that in an impure sample of a chemical of known percent purity is used in a chemical reaction, the percent purity has to be used in stoichiometric calculations. Conversely, the percent purity of an impure sample of a chemical of unknown percent purity can be determined by a reaction with a pure compound as in an acid-base titration.
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