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30 Nov 2021
Given information
Mass of sample of impure tin is.
The concentration of solution is.
The volume of solution is.
Step-by-step explanation
Step 1.
A sample of impure tin of mass of is dissolved in strong acid to form. The solution is then titrated with a solution of, which is reduced to. The corresponding reaction is,
The number of moles of solution is calculated by the formula,
Substitute the value of concentration and volume of $\mathrm{NO}_{3}^{-}$solution in the above equation.
According to the chemical equation, acid and tin react in the molar ratio of.
Since 2 moles of react with 3 moles of
Therefore, of react with .
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