Answer:
The mass of coke needed to react completely with 1.0 ton of copper(II) oxide is 0.794 Ton.
Explanation:
[tex]2CuO+C\rightarrow 2Cu+CO_2[/tex]
1 Ton = 907185 grams
Mass of copper oxide = 1.0 Ton = 907185 grams
Moles of copper oxide =[tex]\frac{907185 g}{79.55 g/mol}=11,403.95 moles[/tex]
According to reaction, 2 moles of copper oxide reacts with 1 mole of carbon.
Then 11403.95 moles of copper oxide will react with:
[tex]\frac{1}{2}\times 11403.95 mol=5,701.98 mol[/tex] of carbon
Mass of 5,701.98 moles of carbon:
[tex]5,701.98 mol\times 12 g/mol=68,423.75 g[/tex]
Mass of coke = x
Mass of carbon = 68,423.75 g
Percentage of carbon in coke = 95%
[tex]95\%=\frac{68,423.75 g}{x}\times 100[/tex]
[tex]x=720,250.09 g=0.794 Ton[/tex]
The mass of coke needed to react completely with 1.0 ton of copper(II) oxide is 0.794 Ton.
