Question

an equimolar mixture of Na2co3 and nahco3 weigh 5 g what is mass of na2co3 in mixture

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Answer 1

Answer:

i think its 2.01g

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Answer 2

Explanation:

Na2CO3 is a strong base and does not dissociate on normal heating.

2NaHCO3⟶Na2CO3+CO2+H2O

No. of moles CO2=224000.950=4.24×10−5

No. of moles of NaHCO3=4.24×10−5×22400=0.084×10+3=84g

Initial NaHCO3 mass =155g

⇒ Mass percent =15584×100% ≈50%

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