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What Is the Correct Coefficient for Na2MnO4 in the Balanced →\rightarrow

Question 61

Multiple Choice

What is the correct coefficient for Na2MnO4 in the balanced equation for the air oxidation of manganese dioxide to sodium manganate in the presence of sodium carbonate?
MnO2(s) + Na2CO3(aq) + O2(g) →\rightarrow CO2(g) + Na2MnO4(aq)


A) 1
B) 3/2
C) 2
D) 5/2
E) 3

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