In a combustion reaction, initially there were $77.8*g$ of oxygen gas, and a $22.8*g$ mass of carbon; $18.0*g$ of oxygen remained after the reaction. If the carbon were completely oxidized, what mass of carbon dioxide resulted?

Md Ariful Islam

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Md Ariful Islam

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$77.8*g-18.0*g$ oxygen gas reacted, and $22.8*g$ carbon was consumed. Given complete combustion, CLEARLY, $(59.8+22.8)*g=82.6*g$ $CO_2(g)$ were produced.

Why $"CLEARLY?"$. Because mass is conserved in all chemical reactions. $"Garbage in must equal garbage out".$ See

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