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For the reaction NH4NO2 $\to$ N2 + 2H2O, calculate the ...

For the reaction NH4NO2 $\to$ N2 + 2H2O, calculate the volume of nitrogen that would be produced at S. T. P from 3.2 g of the dioxonitrate(iii)salt. (Relative atomic masses: N = 14, O = 16, H = 1)

A.

2.24 dm ³

B.

2.24 cm³

C.

1. 12³

D.

1. 12dm ³

E.

4. 48 dm ³

View answer & explanation

Correct answer is D

$NH_{4}NO_{2}$ $\to$ $N_{2}$ + $2H_{2}O$

$64g$ $\to$ $22.4dm^{3}$

$3.2g$ will give $\frac{22.4}{64}$ $\times$ $\frac{3.2}{64}$

= $1.12dm^{3}$

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