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What mass of NHO3 is needed to convert 5...

What mass of `NHO_3` is needed to convert 5g of iodine into iodic acid according to the reaction ?

A

12.4 g

B

24.8 g

C

0.248 g

D

49.6 g

Text Solution

Verified by Experts

The correct Answer is:
A
`I_2+4HNO_(3) rarr2HFO_(3)+4NO_2+H_2O`
eq. `HNO_3=I_2,overset(+5)(NO_3^(-))overset((1))rarroverset(+4)(NO_2)`
`w_1/E_1" " =w_2/E_2,overset(0)I_2rarroverset(5)(2IO_3^(-))+5`
`w_1 = (5xx10xx63)/(254) = 12.4 ` gm
`1 + 14 + 48 = 63`
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