Chemistry: If 12.3 grams of a substance burns in air to produce 15.9 grams of a compound, what mass of the air reacted?

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If 12.3 grams of a substance burns in air to produce

Ответ:

bandzswagg123

31.01.2022

Chemistry

$m_{air}=3.6g$

Explanation:

Hello,

In this case, given the law of conservation of mass which states that mass cannot be created nor destroyed, since the produced mass of the compound is 15.9 g and the mass of the initial substance is 12.3 g we obtain the mass of air by applying the following equation:

$m_{reactants}=m_{products}\\\\m_{substance}+m_{air}=m_{product}$

Thus, solving for the mass of air we obtain:

$m_{air}=m_{product}-m_{substance}\\\\m_{air}=15.9g-12.3g\\\\m_{air}=3.6g$

Regards.

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If 12.3 grams of a substance burns in air to produce 15.9 grams of a compound, what mass of the air reacted?

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