How many moles of CO2 will be produced when 10molNaHCO3 is decomposed? 2NaHCO3→Na2CO3 + H2O + CO2
A
5
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B
6
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C
4
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D
10
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Solution
The correct option is A 5 2NaHCO3→Na2CO3 + H2O + CO2
From the balanced equation above, we see that 2 moles of NaHCO3 produces 1mol of CO2.
When 10 moles of NaHCO3 decomposes, 5molCO2 will be formed.