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Hydrochloric Acid

Write the com...

Question

Write the composition of aqua-regia:

67 %

conc.

H C l

and

33 %

conc.

H N O_{3}

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25 %

conc.

H C l

and

75 %

conc.

H N O_{3}

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75 %

conc.

H C l

and

25 %

conc.

H N O_{3}

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50 %

conc.

H C l

and

50 %

conc.

H N O_{3}

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Solution

The correct option is C $75 %$ conc. $H C l$ and $25 %$ conc. $H N O_{3}$
Aqua-regia is $H N O_{3} + 3 H C l$ so it is a $75 %$ conc. $H C l$ and $25 %$ conc. $H N O_{3}$ .

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