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Home Q & A Board Science-Related Homework Help Chemistry (Moderator: Laser_3)
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Dashawna1995 Dashawna1995
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9 years ago
What is the volume of carbon dioxide at STP from the decomposition of 5.00 g of bismuth carbonate (597.99 g/mol)?
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9 years ago
For every one mole of bismuth carbonate that decomposes, one mole of CO2 is produced. Since 5g of bismuth carbonate is equal to 0.0084 moles, 0.0084 moles of CO2 are produced by the ratio that we just established.

A mole of any gas, including CO2, at STP occupies 22.4 liters. Then, 0.0084 moles of a gas would occupy 0.0084 * 22.4 liters or 0.188 liters.
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