CNG is an important transportation fuel. When 100g CNG is mixed with 208g oxygen in vechicles, it leads to the formation of CO₂ and H₂O and produces large quantity of heat during this combustion, then the amount of carbon dioxide produced in germs is ______.

(nearest integer)

[Assume CNG to be methane]

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Answered by

Raj Pandey | Contributor-Level 9

a month ago

$C H_{4} + 2 O_{2} \to C O_{2} + 2 H_{2} O$

Mole $\frac{100}{16} \frac{208}{32}$

$\begin{array}{l} ↓ ↓ \\ 6.25 6.5 (H e r e O_{2} i s t h e l i m i t i n g r e a g e n t) \end{array}$

Hence mole of CO₂ formed = $\frac{6.5}{2}$

And wt of CO₂ in gm = $\frac{6.5}{2} \times 44 = 143 g$

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